23522030256721 has 8 divisors (see below), whose sum is σ = 24863630313600. Its totient is φ = 22190790046320.

The previous prime is 23522030256713. The next prime is 23522030256787. The reversal of 23522030256721 is 12765203022532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23522030256721 - 2³ = 23522030256713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23522030256121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2589956950 + ... + 2589966031.

It is an arithmetic number, because the mean of its divisors is an integer number (3107953789200).

Almost surely, 2^{23522030256721} is an apocalyptic number.

It is an amenable number.

23522030256721 is a deficient number, since it is larger than the sum of its proper divisors (1341600056879).

23522030256721 is a wasteful number, since it uses less digits than its factorization.

23522030256721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5179923239.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 23522030256721 in words is "twenty-three trillion, five hundred twenty-two billion, thirty million, two hundred fifty-six thousand, seven hundred twenty-one".