23526347205197 has 2 divisors, whose sum is σ = 23526347205198. Its totient is φ = 23526347205196.

The previous prime is 23526347205103. The next prime is 23526347205199. The reversal of 23526347205197 is 79150274362532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23299600765156 + 226746440041 = 4826966^2 + 476179^2 .

It is a cyclic number.

It is not a de Polignac number, because 23526347205197 - 2³⁶ = 23457627728461 is a prime.

Together with 23526347205199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23526347205199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11763173602598 + 11763173602599.

It is an arithmetic number, because the mean of its divisors is an integer number (11763173602599).

Almost surely, 2^{23526347205197} is an apocalyptic number.

It is an amenable number.

23526347205197 is a deficient number, since it is larger than the sum of its proper divisors (1).

23526347205197 is an equidigital number, since it uses as much as digits as its factorization.

23526347205197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 23526347205197 in words is "twenty-three trillion, five hundred twenty-six billion, three hundred forty-seven million, two hundred five thousand, one hundred ninety-seven".