23115593 has 2 divisors, whose sum is σ = 23115594. Its totient is φ = 23115592.

The previous prime is 23115559. The next prime is 23115611. The reversal of 23115593 is 39551132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15976009 + 7139584 = 3997^2 + 2672^2 .

It is a cyclic number.

It is not a de Polignac number, because 23115593 - 2¹⁰ = 23114569 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23115503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11557796 + 11557797.

It is an arithmetic number, because the mean of its divisors is an integer number (11557797).

Almost surely, 2^23115593 is an apocalyptic number.

It is an amenable number.

23115593 is a deficient number, since it is larger than the sum of its proper divisors (1).

23115593 is an equidigital number, since it uses as much as digits as its factorization.

23115593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4050, while the sum is 29.

The square root of 23115593 is about 4807.8678226424. The cubic root of 23115593 is about 284.8623239822.

The spelling of 23115593 in words is "twenty-three million, one hundred fifteen thousand, five hundred ninety-three".