23855397 has 8 divisors (see below), whose sum is σ = 31892640. Its totient is φ = 15860880.

The previous prime is 23855389. The next prime is 23855401. The reversal of 23855397 is 79355832.

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

It is not a de Polignac number, because 23855397 - 2³ = 23855389 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23855297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9354 + ... + 11627.

It is an arithmetic number, because the mean of its divisors is an integer number (3986580).

Almost surely, 2^23855397 is an apocalyptic number.

It is an amenable number.

23855397 is a deficient number, since it is larger than the sum of its proper divisors (8037243).

23855397 is a wasteful number, since it uses less digits than its factorization.

23855397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21363.

The product of its digits is 226800, while the sum is 42.

The square root of 23855397 is about 4884.1987060315. The cubic root of 23855397 is about 287.8694310721.

The spelling of 23855397 in words is "twenty-three million, eight hundred fifty-five thousand, three hundred ninety-seven".