23013122111 has 8 divisors (see below), whose sum is σ = 26418653184. Its totient is φ = 19637076600.

The previous prime is 23013122089. The next prime is 23013122131. The reversal of 23013122111 is 11122131032.

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

It is a cyclic number.

It is not a de Polignac number, because 23013122111 - 2³⁴ = 5833252927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23013122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013122131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7369715 + ... + 7372836.

It is an arithmetic number, because the mean of its divisors is an integer number (3302331648).

Almost surely, 2^23013122111 is an apocalyptic number.

23013122111 is a deficient number, since it is larger than the sum of its proper divisors (3405531073).

23013122111 is a wasteful number, since it uses less digits than its factorization.

23013122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14742781.

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

Adding to 23013122111 its reverse (11122131032), we get a palindrome (34135253143).

The spelling of 23013122111 in words is "twenty-three billion, thirteen million, one hundred twenty-two thousand, one hundred eleven".