23575498537 has 2 divisors, whose sum is σ = 23575498538. Its totient is φ = 23575498536.

The previous prime is 23575498523. The next prime is 23575498559. The reversal of 23575498537 is 73589457532.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23488934121 + 86564416 = 153261^2 + 9304^2 .

It is a cyclic number.

It is not a de Polignac number, because 23575498537 - 2¹⁹ = 23574974249 is a prime.

It is not a weakly prime, because it can be changed into another prime (23575498337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11787749268 + 11787749269.

It is an arithmetic number, because the mean of its divisors is an integer number (11787749269).

Almost surely, 2^23575498537 is an apocalyptic number.

It is an amenable number.

23575498537 is a deficient number, since it is larger than the sum of its proper divisors (1).

23575498537 is an equidigital number, since it uses as much as digits as its factorization.

23575498537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752000, while the sum is 58.

The spelling of 23575498537 in words is "twenty-three billion, five hundred seventy-five million, four hundred ninety-eight thousand, five hundred thirty-seven".