23005393 has 6 divisors (see below), whose sum is σ = 23290386. Its totient is φ = 22721472.

The previous prime is 23005361. The next prime is 23005417. The reversal of 23005393 is 39350032.

It can be written as a sum of positive squares in only one way, i.e., 19210689 + 3794704 = 4383^2 + 1948^2 .

It is not a de Polignac number, because 23005393 - 2⁵ = 23005361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23005093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46996 + ... + 47482.

It is an arithmetic number, because the mean of its divisors is an integer number (3881731).

Almost surely, 2^23005393 is an apocalyptic number.

It is an amenable number.

23005393 is a deficient number, since it is larger than the sum of its proper divisors (284993).

23005393 is an frugal number, since it uses more digits than its factorization.

23005393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 23005393 is about 4796.3937494747. The cubic root of 23005393 is about 284.4089237475.

The spelling of 23005393 in words is "twenty-three million, five thousand, three hundred ninety-three".