23394393 has 32 divisors (see below), whose sum is σ = 38085120. Its totient is φ = 14075280.

The previous prime is 23394361. The next prime is 23394403. The reversal of 23394393 is 39349332.

It is not a de Polignac number, because 23394393 - 2⁵ = 23394361 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (23392393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67246 + ... + 67592.

It is an arithmetic number, because the mean of its divisors is an integer number (1190160).

Almost surely, 2^23394393 is an apocalyptic number.

It is an amenable number.

23394393 is a deficient number, since it is larger than the sum of its proper divisors (14690727).

23394393 is a wasteful number, since it uses less digits than its factorization.

23394393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 588 counting only the distinct ones).

The product of its digits is 52488, while the sum is 36.

The square root of 23394393 is about 4836.7750619602. The cubic root of 23394393 is about 286.0030033753.

The spelling of 23394393 in words is "twenty-three million, three hundred ninety-four thousand, three hundred ninety-three".