23311103121 has 12 divisors (see below), whose sum is σ = 33673366272. Its totient is φ = 15539917176.

The previous prime is 23311103107. The next prime is 23311103159. The reversal of 23311103121 is 12130111332.

It is not a de Polignac number, because 23311103121 - 2¹⁰ = 23311102097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23311103094 and 23311103103.

It is not an unprimeable number, because it can be changed into a prime (23311103161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148480 + ... + 262046.

It is an arithmetic number, because the mean of its divisors is an integer number (2806113856).

Almost surely, 2^23311103121 is an apocalyptic number.

It is an amenable number.

23311103121 is a deficient number, since it is larger than the sum of its proper divisors (10362263151).

23311103121 is a wasteful number, since it uses less digits than its factorization.

23311103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136380 (or 136377 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 23311103121 its reverse (12130111332), we get a palindrome (35441214453).

The spelling of 23311103121 in words is "twenty-three billion, three hundred eleven million, one hundred three thousand, one hundred twenty-one".