23313312336989 has 2 divisors, whose sum is σ = 23313312336990. Its totient is φ = 23313312336988.

The previous prime is 23313312336917. The next prime is 23313312337013. The reversal of 23313312336989 is 98963321331332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21602435256964 + 1710877080025 = 4647842^2 + 1308005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23313312336989 is a prime.

It is a super-2 number, since 2×23313312336989² (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 (23313312336389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11656656168494 + 11656656168495.

It is an arithmetic number, because the mean of its divisors is an integer number (11656656168495).

Almost surely, 2^{23313312336989} is an apocalyptic number.

It is an amenable number.

23313312336989 is a deficient number, since it is larger than the sum of its proper divisors (1).

23313312336989 is an equidigital number, since it uses as much as digits as its factorization.

23313312336989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11337408, while the sum is 56.

The spelling of 23313312336989 in words is "twenty-three trillion, three hundred thirteen billion, three hundred twelve million, three hundred thirty-six thousand, nine hundred eighty-nine".