23541150520513 has 2 divisors, whose sum is σ = 23541150520514. Its totient is φ = 23541150520512.

The previous prime is 23541150520501. The next prime is 23541150520607. The reversal of 23541150520513 is 31502505114532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23356265140224 + 184885380289 = 4832832^2 + 429983^2 .

It is a cyclic number.

It is not a de Polignac number, because 23541150520513 - 2¹⁷ = 23541150389441 is a prime.

It is not a weakly prime, because it can be changed into another prime (23541150526513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11770575260256 + 11770575260257.

It is an arithmetic number, because the mean of its divisors is an integer number (11770575260257).

Almost surely, 2^{23541150520513} is an apocalyptic number.

It is an amenable number.

23541150520513 is a deficient number, since it is larger than the sum of its proper divisors (1).

23541150520513 is an equidigital number, since it uses as much as digits as its factorization.

23541150520513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 23541150520513 in words is "twenty-three trillion, five hundred forty-one billion, one hundred fifty million, five hundred twenty thousand, five hundred thirteen".