23399853 has 4 divisors (see below), whose sum is σ = 31199808. Its totient is φ = 15599900.

The previous prime is 23399851. The next prime is 23399867. The reversal of 23399853 is 35899332.

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 23399853 - 2¹ = 23399851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23399851) 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 3 ways as a sum of consecutive naturals, for example, 3899973 + ... + 3899978.

It is an arithmetic number, because the mean of its divisors is an integer number (7799952).

Almost surely, 2^23399853 is an apocalyptic number.

It is an amenable number.

23399853 is a deficient number, since it is larger than the sum of its proper divisors (7799955).

23399853 is an equidigital number, since it uses as much as digits as its factorization.

23399853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7799954.

The product of its digits is 174960, while the sum is 42.

The square root of 23399853 is about 4837.3394547003. The cubic root of 23399853 is about 286.0252516540.

The spelling of 23399853 in words is "twenty-three million, three hundred ninety-nine thousand, eight hundred fifty-three".