23072085 has 12 divisors (see below), whose sum is σ = 39991692. Its totient is φ = 12305088.

The previous prime is 23072083. The next prime is 23072087. The reversal of 23072085 is 58027032.

It is an interprime number because it is at equal distance from previous prime (23072083) and next prime (23072087).

It can be written as a sum of positive squares in 2 ways, for example, as 15421329 + 7650756 = 3927^2 + 2766^2 .

It is not a de Polignac number, because 23072085 - 2¹ = 23072083 is a prime.

It is a super-2 number, since 2×23072085² = 1064642212494450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23072083) 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, 256312 + ... + 256401.

It is an arithmetic number, because the mean of its divisors is an integer number (3332641).

Almost surely, 2^23072085 is an apocalyptic number.

It is an amenable number.

23072085 is a deficient number, since it is larger than the sum of its proper divisors (16919607).

23072085 is a wasteful number, since it uses less digits than its factorization.

23072085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512724 (or 512721 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 23072085 is about 4803.3410247452. The cubic root of 23072085 is about 284.6834898078.

The spelling of 23072085 in words is "twenty-three million, seventy-two thousand, eighty-five".