23524472401721 has 2 divisors, whose sum is σ = 23524472401722. Its totient is φ = 23524472401720.

The previous prime is 23524472401711. The next prime is 23524472401751. The reversal of 23524472401721 is 12710427442532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23375677825600 + 148794576121 = 4834840^2 + 385739^2 .

It is a cyclic number.

It is not a de Polignac number, because 23524472401721 - 2²² = 23524468207417 is a prime.

It is not a weakly prime, because it can be changed into another prime (23524472401711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11762236200860 + 11762236200861.

It is an arithmetic number, because the mean of its divisors is an integer number (11762236200861).

Almost surely, 2^{23524472401721} is an apocalyptic number.

It is an amenable number.

23524472401721 is a deficient number, since it is larger than the sum of its proper divisors (1).

23524472401721 is an equidigital number, since it uses as much as digits as its factorization.

23524472401721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 44.

The spelling of 23524472401721 in words is "twenty-three trillion, five hundred twenty-four billion, four hundred seventy-two million, four hundred one thousand, seven hundred twenty-one".