13123033332432 has 40 divisors (see below), whose sum is σ = 33921629013696. Its totient is φ = 4371704499456.

The previous prime is 13123033332427. The next prime is 13123033332457. The reversal of 13123033332432 is 23423333032131.

It is a junction number, because it is equal to n+sod(n) for n = 13123033332393 and 13123033332402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82417908 + ... + 82576979.

Almost surely, 2^{13123033332432} is an apocalyptic number.

13123033332432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13123033332432 is an abundant number, since it is smaller than the sum of its proper divisors (20798595681264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13123033332432 is a wasteful number, since it uses less digits than its factorization.

13123033332432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164996555 (or 164996549 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 33.

Adding to 13123033332432 its reverse (23423333032131), we get a palindrome (36546366364563).

The spelling of 13123033332432 in words is "thirteen trillion, one hundred twenty-three billion, thirty-three million, three hundred thirty-two thousand, four hundred thirty-two".