23313111121 has 4 divisors (see below), whose sum is σ = 24326724672. Its totient is φ = 22299497572.

The previous prime is 23313111103. The next prime is 23313111149. The reversal of 23313111121 is 12111131332.

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 23313111121 - 2⁷ = 23313110993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23313118121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506806741 + ... + 506806786.

It is an arithmetic number, because the mean of its divisors is an integer number (6081681168).

Almost surely, 2^23313111121 is an apocalyptic number.

It is an amenable number.

23313111121 is a deficient number, since it is larger than the sum of its proper divisors (1013613551).

23313111121 is a wasteful number, since it uses less digits than its factorization.

23313111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013613550.

The product of its digits is 108, while the sum is 19.

Adding to 23313111121 its reverse (12111131332), we get a palindrome (35424242453).

The spelling of 23313111121 in words is "twenty-three billion, three hundred thirteen million, one hundred eleven thousand, one hundred twenty-one".