23113121530 has 32 divisors (see below), whose sum is σ = 42092265600. Its totient is φ = 9137284800.

The previous prime is 23113121513. The next prime is 23113121599. The reversal of 23113121530 is 3512131132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258621 + ... + 336319.

It is an arithmetic number, because the mean of its divisors is an integer number (1315383300).

Almost surely, 2^23113121530 is an apocalyptic number.

23113121530 is a deficient number, since it is larger than the sum of its proper divisors (18979144070).

23113121530 is a wasteful number, since it uses less digits than its factorization.

23113121530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78054.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 23113121530 its reverse (3512131132), we get a palindrome (26625252662).

The spelling of 23113121530 in words is "twenty-three billion, one hundred thirteen million, one hundred twenty-one thousand, five hundred thirty".