23405042916 has 36 divisors (see below), whose sum is σ = 62276578000. Its totient is φ = 7391065968.

The previous prime is 23405042911. The next prime is 23405042959. The reversal of 23405042916 is 61924050432.

It is a happy number.

23405042916 is a `hidden beast` number, since 23 + 40 + 504 + 2 + 91 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23405042911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17108266 + ... + 17109633.

Almost surely, 2^23405042916 is an apocalyptic number.

It is an amenable number.

23405042916 is an abundant number, since it is smaller than the sum of its proper divisors (38871535084).

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

23405042916 is a wasteful number, since it uses less digits than its factorization.

23405042916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34217928 (or 34217923 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 23405042916 in words is "twenty-three billion, four hundred five million, forty-two thousand, nine hundred sixteen".