23946900521 has 2 divisors, whose sum is σ = 23946900522. Its totient is φ = 23946900520.

The previous prime is 23946900443. The next prime is 23946900529. The reversal of 23946900521 is 12500964932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23412366121 + 534534400 = 153011^2 + 23120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23946900521 is a prime.

It is not a weakly prime, because it can be changed into another prime (23946900529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11973450260 + 11973450261.

It is an arithmetic number, because the mean of its divisors is an integer number (11973450261).

Almost surely, 2^23946900521 is an apocalyptic number.

It is an amenable number.

23946900521 is a deficient number, since it is larger than the sum of its proper divisors (1).

23946900521 is an equidigital number, since it uses as much as digits as its factorization.

23946900521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 23946900521 in words is "twenty-three billion, nine hundred forty-six million, nine hundred thousand, five hundred twenty-one".