23123056881 has 16 divisors (see below), whose sum is σ = 31923835200. Its totient is φ = 14869823808.

The previous prime is 23123056861. The next prime is 23123056897. The reversal of 23123056881 is 18865032132.

It is not a de Polignac number, because 23123056881 - 2¹⁴ = 23123040497 is a prime.

It is a super-2 number, since 2×23123056881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23123056861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31311 + ... + 217316.

It is an arithmetic number, because the mean of its divisors is an integer number (1995239700).

Almost surely, 2^23123056881 is an apocalyptic number.

It is an amenable number.

23123056881 is a deficient number, since it is larger than the sum of its proper divisors (8800778319).

23123056881 is a wasteful number, since it uses less digits than its factorization.

23123056881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249728.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 23123056881 in words is "twenty-three billion, one hundred twenty-three million, fifty-six thousand, eight hundred eighty-one".