23364523404661 has 2 divisors, whose sum is σ = 23364523404662. Its totient is φ = 23364523404660.

The previous prime is 23364523404653. The next prime is 23364523404689. The reversal of 23364523404661 is 16640432546332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22318160124100 + 1046363280561 = 4724210^2 + 1022919^2 .

It is a cyclic number.

It is not a de Polignac number, because 23364523404661 - 2³ = 23364523404653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23364523404161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11682261702330 + 11682261702331.

It is an arithmetic number, because the mean of its divisors is an integer number (11682261702331).

Almost surely, 2^{23364523404661} is an apocalyptic number.

It is an amenable number.

23364523404661 is a deficient number, since it is larger than the sum of its proper divisors (1).

23364523404661 is an equidigital number, since it uses as much as digits as its factorization.

23364523404661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 49.

The spelling of 23364523404661 in words is "twenty-three trillion, three hundred sixty-four billion, five hundred twenty-three million, four hundred four thousand, six hundred sixty-one".