23311120121 has 8 divisors (see below), whose sum is σ = 24539938080. Its totient is φ = 22082493888.

The previous prime is 23311120111. The next prime is 23311120153. The reversal of 23311120121 is 12102111332.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23311120121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23311120121.

It is not an unprimeable number, because it can be changed into a prime (23311120111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248810 + ... + 329436.

It is an arithmetic number, because the mean of its divisors is an integer number (3067492260).

Almost surely, 2^23311120121 is an apocalyptic number.

It is an amenable number.

23311120121 is a deficient number, since it is larger than the sum of its proper divisors (1228817959).

23311120121 is a wasteful number, since it uses less digits than its factorization.

23311120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95863.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 23311120121 its reverse (12102111332), we get a palindrome (35413231453).

The spelling of 23311120121 in words is "twenty-three billion, three hundred eleven million, one hundred twenty thousand, one hundred twenty-one".