Python - Validate Palindrome Mathematically (numbers only of course)

is_palindrome.py

def is_palindrome(number):
    test_number = 0
    length = math.ceil(math.log10(number + 1))
    for i in range(length // 2):
        test_number = (test_number * 10) + (number % 10)
        number //= 10
    return number == test_number or number // 10 == test_number