23254535439 has 6 divisors (see below), whose sum is σ = 33589884536. Its totient is φ = 15503023620.

The previous prime is 23254535429. The next prime is 23254535441. The reversal of 23254535439 is 93453545232.

23254535439 is a `hidden beast` number, since 2 + 3 + 2 + 54 + 53 + 543 + 9 = 666.

It is not a de Polignac number, because 23254535439 - 2²⁷ = 23120317711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23254535394 and 23254535403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23254535429) 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, 1291918627 + ... + 1291918644.

Almost surely, 2^23254535439 is an apocalyptic number.

23254535439 is a deficient number, since it is larger than the sum of its proper divisors (10335349097).

23254535439 is a wasteful number, since it uses less digits than its factorization.

23254535439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583837277 (or 2583837274 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 45.

The spelling of 23254535439 in words is "twenty-three billion, two hundred fifty-four million, five hundred thirty-five thousand, four hundred thirty-nine".