23855357 has 4 divisors (see below), whose sum is σ = 23866140. Its totient is φ = 23844576.

The previous prime is 23855339. The next prime is 23855383. The reversal of 23855357 is 75355832.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9369721 + 14485636 = 3061^2 + 3806^2 .

It is a cyclic number.

It is not a de Polignac number, because 23855357 - 2⁸ = 23855101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23855357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23854357) 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, 728 + ... + 6945.

It is an arithmetic number, because the mean of its divisors is an integer number (5966535).

Almost surely, 2^23855357 is an apocalyptic number.

It is an amenable number.

23855357 is a deficient number, since it is larger than the sum of its proper divisors (10783).

23855357 is an equidigital number, since it uses as much as digits as its factorization.

23855357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10782.

The product of its digits is 126000, while the sum is 38.

The square root of 23855357 is about 4884.1946111923. The cubic root of 23855357 is about 287.8692701752.

The spelling of 23855357 in words is "twenty-three million, eight hundred fifty-five thousand, three hundred fifty-seven".