23340644653013 has 2 divisors, whose sum is σ = 23340644653014. Its totient is φ = 23340644653012.

The previous prime is 23340644652943. The next prime is 23340644653019. The reversal of 23340644653013 is 31035644604332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23340561076849 + 83576164 = 4831207^2 + 9142^2 .

It is a cyclic number.

It is not a de Polignac number, because 23340644653013 - 2¹⁴ = 23340644636629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23340644653019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11670322326506 + 11670322326507.

It is an arithmetic number, because the mean of its divisors is an integer number (11670322326507).

Almost surely, 2^{23340644653013} is an apocalyptic number.

It is an amenable number.

23340644653013 is a deficient number, since it is larger than the sum of its proper divisors (1).

23340644653013 is an equidigital number, since it uses as much as digits as its factorization.

23340644653013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 44.

The spelling of 23340644653013 in words is "twenty-three trillion, three hundred forty billion, six hundred forty-four million, six hundred fifty-three thousand, thirteen".