23080581 has 12 divisors (see below), whose sum is σ = 34152300. Its totient is φ = 15011520.

The previous prime is 23080579. The next prime is 23080583. The reversal of 23080581 is 18508032.

It is a happy number.

23080581 is a `hidden beast` number, since 2 + 3 + 0 + 80 + 581 = 666.

It is an interprime number because it is at equal distance from previous prime (23080579) and next prime (23080583).

It can be written as a sum of positive squares in 2 ways, for example, as 13439556 + 9641025 = 3666^2 + 3105^2 .

It is not a de Polignac number, because 23080581 - 2¹ = 23080579 is a prime.

It is a super-2 number, since 2×23080581² = 1065426438595122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23080583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30906 + ... + 31643.

It is an arithmetic number, because the mean of its divisors is an integer number (2846025).

Almost surely, 2^23080581 is an apocalyptic number.

It is an amenable number.

23080581 is a deficient number, since it is larger than the sum of its proper divisors (11071719).

23080581 is a wasteful number, since it uses less digits than its factorization.

23080581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62596 (or 62593 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 23080581 is about 4804.2253277714. The cubic root of 23080581 is about 284.7184292033.

The spelling of 23080581 in words is "twenty-three million, eighty thousand, five hundred eighty-one".