23583493 has 2 divisors, whose sum is σ = 23583494. Its totient is φ = 23583492.

The previous prime is 23583491. The next prime is 23583509. The reversal of 23583493 is 39438532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16916769 + 6666724 = 4113^2 + 2582^2 .

It is a cyclic number.

It is not a de Polignac number, because 23583493 - 2¹ = 23583491 is a prime.

It is a super-2 number, since 2×23583493² = 1112362284162098, which contains 22 as substring.

Together with 23583491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23583491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11791746 + 11791747.

It is an arithmetic number, because the mean of its divisors is an integer number (11791747).

Almost surely, 2^23583493 is an apocalyptic number.

It is an amenable number.

23583493 is a deficient number, since it is larger than the sum of its proper divisors (1).

23583493 is an equidigital number, since it uses as much as digits as its factorization.

23583493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The square root of 23583493 is about 4856.2838673208. The cubic root of 23583493 is about 286.7715365066.

The spelling of 23583493 in words is "twenty-three million, five hundred eighty-three thousand, four hundred ninety-three".