23074717221 has 24 divisors (see below), whose sum is σ = 34189436736. Its totient is φ = 14987568960.

The previous prime is 23074717217. The next prime is 23074717223. The reversal of 23074717221 is 12271747032.

It is not a de Polignac number, because 23074717221 - 2² = 23074717217 is a prime.

It is a super-2 number, since 2×23074717221² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23074717223) 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, 232086 + ... + 316248.

It is an arithmetic number, because the mean of its divisors is an integer number (1424559864).

Almost surely, 2^23074717221 is an apocalyptic number.

It is an amenable number.

23074717221 is a deficient number, since it is larger than the sum of its proper divisors (11114719515).

23074717221 is a wasteful number, since it uses less digits than its factorization.

23074717221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84953 (or 84950 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The spelling of 23074717221 in words is "twenty-three billion, seventy-four million, seven hundred seventeen thousand, two hundred twenty-one".