23270393 has 4 divisors (see below), whose sum is σ = 23311860. Its totient is φ = 23228928.

The previous prime is 23270389. The next prime is 23270413. The reversal of 23270393 is 39307232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12334144 + 10936249 = 3512^2 + 3307^2 .

It is a cyclic number.

It is not a de Polignac number, because 23270393 - 2² = 23270389 is a prime.

It is a super-2 number, since 2×23270393² = 1083022380748898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23270333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19880 + ... + 21017.

It is an arithmetic number, because the mean of its divisors is an integer number (5827965).

Almost surely, 2^23270393 is an apocalyptic number.

It is an amenable number.

23270393 is a deficient number, since it is larger than the sum of its proper divisors (41467).

23270393 is an equidigital number, since it uses as much as digits as its factorization.

23270393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41466.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 23270393 is about 4823.9395725900. The cubic root of 23270393 is about 285.4967963792.

The spelling of 23270393 in words is "twenty-three million, two hundred seventy thousand, three hundred ninety-three".