23120331121 has 4 divisors (see below), whose sum is σ = 23512201200. Its totient is φ = 22728461044.

The previous prime is 23120331107. The next prime is 23120331131. The reversal of 23120331121 is 12113302132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23120331121 - 2⁷ = 23120330993 is a prime.

It is a super-2 number, since 2×23120331121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23120331131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195934951 + ... + 195935068.

It is an arithmetic number, because the mean of its divisors is an integer number (5878050300).

Almost surely, 2^23120331121 is an apocalyptic number.

It is an amenable number.

23120331121 is a deficient number, since it is larger than the sum of its proper divisors (391870079).

23120331121 is an equidigital number, since it uses as much as digits as its factorization.

23120331121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391870078.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23120331121 its reverse (12113302132), we get a palindrome (35233633253).

The spelling of 23120331121 in words is "twenty-three billion, one hundred twenty million, three hundred thirty-one thousand, one hundred twenty-one".