23247359197 has 2 divisors, whose sum is σ = 23247359198. Its totient is φ = 23247359196.

The previous prime is 23247359159. The next prime is 23247359221. The reversal of 23247359197 is 79195374232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22040074681 + 1207284516 = 148459^2 + 34746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23247359197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23247359797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11623679598 + 11623679599.

It is an arithmetic number, because the mean of its divisors is an integer number (11623679599).

Almost surely, 2^23247359197 is an apocalyptic number.

It is an amenable number.

23247359197 is a deficient number, since it is larger than the sum of its proper divisors (1).

23247359197 is an equidigital number, since it uses as much as digits as its factorization.

23247359197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 52.

The spelling of 23247359197 in words is "twenty-three billion, two hundred forty-seven million, three hundred fifty-nine thousand, one hundred ninety-seven".