23930471897 has 2 divisors, whose sum is σ = 23930471898. Its totient is φ = 23930471896.

The previous prime is 23930471869. The next prime is 23930471933. The reversal of 23930471897 is 79817403932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14511575296 + 9418896601 = 120464^2 + 97051^2 .

It is a cyclic number.

It is not a de Polignac number, because 23930471897 - 2²⁰ = 23929423321 is a prime.

It is not a weakly prime, because it can be changed into another prime (23930471867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11965235948 + 11965235949.

It is an arithmetic number, because the mean of its divisors is an integer number (11965235949).

Almost surely, 2^23930471897 is an apocalyptic number.

It is an amenable number.

23930471897 is a deficient number, since it is larger than the sum of its proper divisors (1).

23930471897 is an equidigital number, since it uses as much as digits as its factorization.

23930471897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The spelling of 23930471897 in words is "twenty-three billion, nine hundred thirty million, four hundred seventy-one thousand, eight hundred ninety-seven".