23087148239 has 4 divisors (see below), whose sum is σ = 23119259040. Its totient is φ = 23055037440.

The previous prime is 23087148233. The next prime is 23087148247. The reversal of 23087148239 is 93284178032.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23087148239 - 2⁸ = 23087147983 is a prime.

It is a super-2 number, since 2×23087148239² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23087148193 and 23087148202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23087148233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16054322 + ... + 16055759.

It is an arithmetic number, because the mean of its divisors is an integer number (5779814760).

Almost surely, 2^23087148239 is an apocalyptic number.

23087148239 is a deficient number, since it is larger than the sum of its proper divisors (32110801).

23087148239 is an equidigital number, since it uses as much as digits as its factorization.

23087148239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32110800.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 23087148239 in words is "twenty-three billion, eighty-seven million, one hundred forty-eight thousand, two hundred thirty-nine".