23395493 has 4 divisors (see below), whose sum is σ = 25522368. Its totient is φ = 21268620.

The previous prime is 23395457. The next prime is 23395571. The reversal of 23395493 is 39459332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23395493 - 2²⁰ = 22346917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23395453) 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, 1063421 + ... + 1063442.

It is an arithmetic number, because the mean of its divisors is an integer number (6380592).

Almost surely, 2^23395493 is an apocalyptic number.

It is an amenable number.

23395493 is a deficient number, since it is larger than the sum of its proper divisors (2126875).

23395493 is a wasteful number, since it uses less digits than its factorization.

23395493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126874.

The product of its digits is 87480, while the sum is 38.

The square root of 23395493 is about 4836.8887727547. Note that the first 3 decimals coincide. The cubic root of 23395493 is about 286.0074859077.

The spelling of 23395493 in words is "twenty-three million, three hundred ninety-five thousand, four hundred ninety-three".