23057201315591 has 2 divisors, whose sum is σ = 23057201315592. Its totient is φ = 23057201315590.

The previous prime is 23057201315543. The next prime is 23057201315663. The reversal of 23057201315591 is 19551310275032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23057201315591 - 2⁶ = 23057201315527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23057201315531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11528600657795 + 11528600657796.

It is an arithmetic number, because the mean of its divisors is an integer number (11528600657796).

Almost surely, 2^{23057201315591} is an apocalyptic number.

23057201315591 is a deficient number, since it is larger than the sum of its proper divisors (1).

23057201315591 is an equidigital number, since it uses as much as digits as its factorization.

23057201315591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 283500, while the sum is 44.

The spelling of 23057201315591 in words is "twenty-three trillion, fifty-seven billion, two hundred one million, three hundred fifteen thousand, five hundred ninety-one".