23231403134432 has 48 divisors (see below), whose sum is σ = 48585714685200. Its totient is φ = 10903391493120.

The previous prime is 23231403134419. The next prime is 23231403134447. The reversal of 23231403134432 is 23443130413232.

It is a junction number, because it is equal to n+sod(n) for n = 23231403134392 and 23231403134401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175206869 + ... + 175339412.

It is an arithmetic number, because the mean of its divisors is an integer number (1012202389275).

Almost surely, 2^{23231403134432} is an apocalyptic number.

It is an amenable number.

23231403134432 is an abundant number, since it is smaller than the sum of its proper divisors (25354311550768).

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

23231403134432 is a wasteful number, since it uses less digits than its factorization.

23231403134432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350546419 (or 350546411 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 23231403134432 its reverse (23443130413232), we get a palindrome (46674533547664).

The spelling of 23231403134432 in words is "twenty-three trillion, two hundred thirty-one billion, four hundred three million, one hundred thirty-four thousand, four hundred thirty-two".