23113113121 has 24 divisors (see below), whose sum is σ = 27403137216. Its totient is φ = 19094806080.

The previous prime is 23113113109. The next prime is 23113113131. The reversal of 23113113121 is 12131131132.

It is not a de Polignac number, because 23113113121 - 2¹³ = 23113104929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23113113131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1014111 + ... + 1036651.

It is an arithmetic number, because the mean of its divisors is an integer number (1141797384).

Almost surely, 2^23113113121 is an apocalyptic number.

It is an amenable number.

23113113121 is a deficient number, since it is larger than the sum of its proper divisors (4290024095).

23113113121 is a wasteful number, since it uses less digits than its factorization.

23113113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22729 (or 22692 counting only the distinct ones).

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

Adding to 23113113121 its reverse (12131131132), we get a palindrome (35244244253).

The spelling of 23113113121 in words is "twenty-three billion, one hundred thirteen million, one hundred thirteen thousand, one hundred twenty-one".