23402816472 has 32 divisors (see below), whose sum is σ = 66865190400. Its totient is φ = 6686518944.

The previous prime is 23402816449. The next prime is 23402816483. The reversal of 23402816472 is 27461820432.

It is a happy number.

It is a super-2 number, since 2×23402816472² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23402816472.

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, 69651072 + ... + 69651407.

It is an arithmetic number, because the mean of its divisors is an integer number (2089537200).

Almost surely, 2^23402816472 is an apocalyptic number.

It is an amenable number.

23402816472 is an abundant number, since it is smaller than the sum of its proper divisors (43462373928).

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

23402816472 is a wasteful number, since it uses less digits than its factorization.

23402816472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139302495 (or 139302491 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 23402816472 in words is "twenty-three billion, four hundred two million, eight hundred sixteen thousand, four hundred seventy-two".