23056397 has 8 divisors (see below), whose sum is σ = 28377216. Its totient is φ = 18242352.

The previous prime is 23056379. The next prime is 23056417. The reversal of 23056397 is 79365032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23056397 - 2²⁴ = 6279181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23056337) 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 7 ways as a sum of consecutive naturals, for example, 126593 + ... + 126774.

It is an arithmetic number, because the mean of its divisors is an integer number (3547152).

Almost surely, 2^23056397 is an apocalyptic number.

It is an amenable number.

23056397 is a deficient number, since it is larger than the sum of its proper divisors (5320819).

23056397 is a wasteful number, since it uses less digits than its factorization.

23056397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253387.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 23056397 is about 4801.7077170523. The cubic root of 23056397 is about 284.6189511063.

The spelling of 23056397 in words is "twenty-three million, fifty-six thousand, three hundred ninety-seven".