23364365256989 has 2 divisors, whose sum is σ = 23364365256990. Its totient is φ = 23364365256988.

The previous prime is 23364365256931. The next prime is 23364365257003. The reversal of 23364365256989 is 98965256346332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18397965811225 + 4966399445764 = 4289285^2 + 2228542^2 .

It is a cyclic number.

It is not a de Polignac number, because 23364365256989 - 2⁴⁴ = 5772179212573 is a prime.

It is a super-2 number, since 2×23364365256989² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23364365252989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11682182628494 + 11682182628495.

It is an arithmetic number, because the mean of its divisors is an integer number (11682182628495).

Almost surely, 2^{23364365256989} is an apocalyptic number.

It is an amenable number.

23364365256989 is a deficient number, since it is larger than the sum of its proper divisors (1).

23364365256989 is an equidigital number, since it uses as much as digits as its factorization.

23364365256989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1511654400, while the sum is 71.

The spelling of 23364365256989 in words is "twenty-three trillion, three hundred sixty-four billion, three hundred sixty-five million, two hundred fifty-six thousand, nine hundred eighty-nine".