23024400139 has 4 divisors (see below), whose sum is σ = 24795507856. Its totient is φ = 21253292424.

The previous prime is 23024400067. The next prime is 23024400149. The reversal of 23024400139 is 93100442032.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23024400139 - 2²⁹ = 22487529227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23024400149) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 885553839 + ... + 885553864.

It is an arithmetic number, because the mean of its divisors is an integer number (6198876964).

Almost surely, 2^23024400139 is an apocalyptic number.

23024400139 is a deficient number, since it is larger than the sum of its proper divisors (1771107717).

23024400139 is a wasteful number, since it uses less digits than its factorization.

23024400139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771107716.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 23024400139 in words is "twenty-three billion, twenty-four million, four hundred thousand, one hundred thirty-nine".