23345402172 has 48 divisors (see below), whose sum is σ = 56391767040. Its totient is φ = 7508023488.

The previous prime is 23345402161. The next prime is 23345402177. The reversal of 23345402172 is 27120454332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23345402177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471633 + ... + 518775.

It is an arithmetic number, because the mean of its divisors is an integer number (1174828480).

Almost surely, 2^23345402172 is an apocalyptic number.

It is an amenable number.

23345402172 is an abundant number, since it is smaller than the sum of its proper divisors (33046364868).

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

23345402172 is a wasteful number, since it uses less digits than its factorization.

23345402172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48602 (or 48600 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The spelling of 23345402172 in words is "twenty-three billion, three hundred forty-five million, four hundred two thousand, one hundred seventy-two".