23726092670921 has 2 divisors, whose sum is σ = 23726092670922. Its totient is φ = 23726092670920.

The previous prime is 23726092670851. The next prime is 23726092670941. The reversal of 23726092670921 is 12907629062732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23461778437696 + 264314233225 = 4843736^2 + 514115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23726092670921 is a prime.

It is not a weakly prime, because it can be changed into another prime (23726092670941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11863046335460 + 11863046335461.

It is an arithmetic number, because the mean of its divisors is an integer number (11863046335461).

Almost surely, 2^{23726092670921} is an apocalyptic number.

It is an amenable number.

23726092670921 is a deficient number, since it is larger than the sum of its proper divisors (1).

23726092670921 is an equidigital number, since it uses as much as digits as its factorization.

23726092670921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6858432, while the sum is 56.

The spelling of 23726092670921 in words is "twenty-three trillion, seven hundred twenty-six billion, ninety-two million, six hundred seventy thousand, nine hundred twenty-one".