23859430911 has 6 divisors (see below), whose sum is σ = 34463622440. Its totient is φ = 15906287268.

The previous prime is 23859430901. The next prime is 23859430919. The reversal of 23859430911 is 11903495832.

It is a happy number.

23859430911 is a `hidden beast` number, since 23 + 8 + 594 + 30 + 9 + 1 + 1 = 666.

It is not a de Polignac number, because 23859430911 - 2¹¹ = 23859428863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23859430919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1325523931 + ... + 1325523948.

Almost surely, 2^23859430911 is an apocalyptic number.

23859430911 is a deficient number, since it is larger than the sum of its proper divisors (10604191529).

23859430911 is a wasteful number, since it uses less digits than its factorization.

23859430911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2651047885 (or 2651047882 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 23859430911 in words is "twenty-three billion, eight hundred fifty-nine million, four hundred thirty thousand, nine hundred eleven".