23655797 has 4 divisors (see below), whose sum is σ = 25806336. Its totient is φ = 21505260.

The previous prime is 23655787. The next prime is 23655809. The reversal of 23655797 is 79755632.

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 23655797 - 2⁴ = 23655781 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 (23655767) 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, 1075253 + ... + 1075274.

It is an arithmetic number, because the mean of its divisors is an integer number (6451584).

Almost surely, 2^23655797 is an apocalyptic number.

It is an amenable number.

23655797 is a deficient number, since it is larger than the sum of its proper divisors (2150539).

23655797 is a wasteful number, since it uses less digits than its factorization.

23655797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150538.

The product of its digits is 396900, while the sum is 44.

The square root of 23655797 is about 4863.7225455406. The cubic root of 23655797 is about 287.0643059051.

The spelling of 23655797 in words is "twenty-three million, six hundred fifty-five thousand, seven hundred ninety-seven".