23692874891 has 32 divisors (see below), whose sum is σ = 29287526400. Its totient is φ = 19092651648.

The previous prime is 23692874879. The next prime is 23692874899. The reversal of 23692874891 is 19847829632.

It is a happy number.

It is not a de Polignac number, because 23692874891 - 2²⁶ = 23625766027 is a prime.

It is a super-2 number, since 2×23692874891² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23692874891.

It is not an unprimeable number, because it can be changed into a prime (23692874899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7479590 + ... + 7482756.

It is an arithmetic number, because the mean of its divisors is an integer number (915235200).

Almost surely, 2^23692874891 is an apocalyptic number.

23692874891 is a deficient number, since it is larger than the sum of its proper divisors (5594651509).

23692874891 is a wasteful number, since it uses less digits than its factorization.

23692874891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488 (or 4474 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 59.

The spelling of 23692874891 in words is "twenty-three billion, six hundred ninety-two million, eight hundred seventy-four thousand, eight hundred ninety-one".