23022518121 has 6 divisors (see below), whose sum is σ = 33254748410. Its totient is φ = 15348345408.

The previous prime is 23022518111. The next prime is 23022518137. The reversal of 23022518121 is 12181522032.

23022518121 is a `hidden beast` number, since 2 + 3 + 0 + 22 + 518 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22940434521 + 82083600 = 151461^2 + 9060^2 .

It is not a de Polignac number, because 23022518121 - 2¹¹ = 23022516073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23022518111) 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 5 ways as a sum of consecutive naturals, for example, 1279028776 + ... + 1279028793.

Almost surely, 2^23022518121 is an apocalyptic number.

It is an amenable number.

23022518121 is a deficient number, since it is larger than the sum of its proper divisors (10232230289).

23022518121 is a wasteful number, since it uses less digits than its factorization.

23022518121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558057575 (or 2558057572 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 23022518121 in words is "twenty-three billion, twenty-two million, five hundred eighteen thousand, one hundred twenty-one".