23201311319 has 2 divisors, whose sum is σ = 23201311320. Its totient is φ = 23201311318.

The previous prime is 23201311283. The next prime is 23201311327. The reversal of 23201311319 is 91311310232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23201311319 - 2¹² = 23201307223 is a prime.

It is a super-2 number, since 2×23201311319² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23201311339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600655659 + 11600655660.

It is an arithmetic number, because the mean of its divisors is an integer number (11600655660).

Almost surely, 2^23201311319 is an apocalyptic number.

23201311319 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201311319 is an equidigital number, since it uses as much as digits as its factorization.

23201311319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 23201311319 in words is "twenty-three billion, two hundred one million, three hundred eleven thousand, three hundred nineteen".