23258139537 has 8 divisors (see below), whose sum is σ = 31473701536. Its totient is φ = 15274001952.

The previous prime is 23258139529. The next prime is 23258139559. The reversal of 23258139537 is 73593185232.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23258139537 - 2³ = 23258139529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23258139517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57855868 + ... + 57856269.

It is an arithmetic number, because the mean of its divisors is an integer number (3934212692).

Almost surely, 2^23258139537 is an apocalyptic number.

It is an amenable number.

23258139537 is a deficient number, since it is larger than the sum of its proper divisors (8215561999).

23258139537 is a wasteful number, since it uses less digits than its factorization.

23258139537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115712207.

The product of its digits is 1360800, while the sum is 48.

The spelling of 23258139537 in words is "twenty-three billion, two hundred fifty-eight million, one hundred thirty-nine thousand, five hundred thirty-seven".