23158636201 has 2 divisors, whose sum is σ = 23158636202. Its totient is φ = 23158636200.

The previous prime is 23158636181. The next prime is 23158636243. The reversal of 23158636201 is 10263685132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22582876176 + 575760025 = 150276^2 + 23995^2 .

It is a cyclic number.

It is not a de Polignac number, because 23158636201 - 2⁷ = 23158636073 is a prime.

It is not a weakly prime, because it can be changed into another prime (23158636601) 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, 11579318100 + 11579318101.

It is an arithmetic number, because the mean of its divisors is an integer number (11579318101).

Almost surely, 2^23158636201 is an apocalyptic number.

It is an amenable number.

23158636201 is a deficient number, since it is larger than the sum of its proper divisors (1).

23158636201 is an equidigital number, since it uses as much as digits as its factorization.

23158636201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 23158636201 in words is "twenty-three billion, one hundred fifty-eight million, six hundred thirty-six thousand, two hundred one".