23050551221 has 16 divisors (see below), whose sum is σ = 23483053440. Its totient is φ = 22621347840.

The previous prime is 23050551211. The next prime is 23050551257. The reversal of 23050551221 is 12215505032.

It is a cyclic number.

It is not a de Polignac number, because 23050551221 - 2²⁶ = 22983442357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23050551211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24186881 + ... + 24187833.

It is an arithmetic number, because the mean of its divisors is an integer number (1467690840).

Almost surely, 2^23050551221 is an apocalyptic number.

It is an amenable number.

23050551221 is a deficient number, since it is larger than the sum of its proper divisors (432502219).

23050551221 is an equidigital number, since it uses as much as digits as its factorization.

23050551221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 23050551221 in words is "twenty-three billion, fifty million, five hundred fifty-one thousand, two hundred twenty-one".