23116211597 has 2 divisors, whose sum is σ = 23116211598. Its totient is φ = 23116211596.

The previous prime is 23116211557. The next prime is 23116211633. The reversal of 23116211597 is 79511261132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13723888201 + 9392323396 = 117149^2 + 96914^2 .

It is a cyclic number.

It is not a de Polignac number, because 23116211597 - 2¹⁰ = 23116210573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23116211597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23116211557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11558105798 + 11558105799.

It is an arithmetic number, because the mean of its divisors is an integer number (11558105799).

Almost surely, 2^23116211597 is an apocalyptic number.

It is an amenable number.

23116211597 is a deficient number, since it is larger than the sum of its proper divisors (1).

23116211597 is an equidigital number, since it uses as much as digits as its factorization.

23116211597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 38.

The spelling of 23116211597 in words is "twenty-three billion, one hundred sixteen million, two hundred eleven thousand, five hundred ninety-seven".