23996817697 has 2 divisors, whose sum is σ = 23996817698. Its totient is φ = 23996817696.

The previous prime is 23996817623. The next prime is 23996817727. The reversal of 23996817697 is 79671869932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15781389376 + 8215428321 = 125624^2 + 90639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23996817697 is a prime.

It is not a weakly prime, because it can be changed into another prime (23996817197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11998408848 + 11998408849.

It is an arithmetic number, because the mean of its divisors is an integer number (11998408849).

Almost surely, 2^23996817697 is an apocalyptic number.

It is an amenable number.

23996817697 is a deficient number, since it is larger than the sum of its proper divisors (1).

23996817697 is an equidigital number, since it uses as much as digits as its factorization.

23996817697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61725888, while the sum is 67.

The spelling of 23996817697 in words is "twenty-three billion, nine hundred ninety-six million, eight hundred seventeen thousand, six hundred ninety-seven".