23452221479572 has 12 divisors (see below), whose sum is σ = 41424951960000. Its totient is φ = 11616520919576.

The previous prime is 23452221479549. The next prime is 23452221479573. The reversal of 23452221479572 is 27597412225432.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23452221479573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27397454572 + ... + 27397455427.

It is an arithmetic number, because the mean of its divisors is an integer number (3452079330000).

Almost surely, 2^{23452221479572} is an apocalyptic number.

It is an amenable number.

23452221479572 is a deficient number, since it is larger than the sum of its proper divisors (17972730480428).

23452221479572 is a wasteful number, since it uses less digits than its factorization.

23452221479572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54794910110 (or 54794910108 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 55.

The spelling of 23452221479572 in words is "twenty-three trillion, four hundred fifty-two billion, two hundred twenty-one million, four hundred seventy-nine thousand, five hundred seventy-two".