23315543413 has 2 divisors, whose sum is σ = 23315543414. Its totient is φ = 23315543412.

The previous prime is 23315543411. The next prime is 23315543437. The reversal of 23315543413 is 31434551332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17081967204 + 6233576209 = 130698^2 + 78953^2 .

It is a cyclic number.

It is not a de Polignac number, because 23315543413 - 2¹ = 23315543411 is a prime.

It is a super-2 number, since 2×23315543413² (a number of 22 digits) contains 22 as substring.

Together with 23315543411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23315543411) 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, 11657771706 + 11657771707.

It is an arithmetic number, because the mean of its divisors is an integer number (11657771707).

Almost surely, 2^23315543413 is an apocalyptic number.

It is an amenable number.

23315543413 is a deficient number, since it is larger than the sum of its proper divisors (1).

23315543413 is an equidigital number, since it uses as much as digits as its factorization.

23315543413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 34.

The spelling of 23315543413 in words is "twenty-three billion, three hundred fifteen million, five hundred forty-three thousand, four hundred thirteen".