23500313 has 4 divisors (see below), whose sum is σ = 23669520. Its totient is φ = 23331108.

The previous prime is 23500297. The next prime is 23500331. The reversal of 23500313 is 31300532.

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 23500313 - 2⁴ = 23500297 is a prime.

It is a super-2 number, since 2×23500313² = 1104529422195938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23500291 and 23500300.

It is not an unprimeable number, because it can be changed into a prime (23500363) 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, 84395 + ... + 84672.

It is an arithmetic number, because the mean of its divisors is an integer number (5917380).

Almost surely, 2^23500313 is an apocalyptic number.

It is an amenable number.

23500313 is a deficient number, since it is larger than the sum of its proper divisors (169207).

23500313 is a wasteful number, since it uses less digits than its factorization.

23500313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169206.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 23500313 is about 4847.7121407938. The cubic root of 23500313 is about 286.4339874735.

Adding to 23500313 its reverse (31300532), we get a palindrome (54800845).

The spelling of 23500313 in words is "twenty-three million, five hundred thousand, three hundred thirteen".