23047813 has 8 divisors (see below), whose sum is σ = 23927040. Its totient is φ = 22184880.

The previous prime is 23047789. The next prime is 23047831. The reversal of 23047813 is 31874032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23047813 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 (23047853) 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, 1153 + ... + 6886.

It is an arithmetic number, because the mean of its divisors is an integer number (2990880).

Almost surely, 2^23047813 is an apocalyptic number.

It is an amenable number.

23047813 is a deficient number, since it is larger than the sum of its proper divisors (879227).

23047813 is an equidigital number, since it uses as much as digits as its factorization.

23047813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8147.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 23047813 is about 4800.8137851827. The cubic root of 23047813 is about 284.5836250846.

The spelling of 23047813 in words is "twenty-three million, forty-seven thousand, eight hundred thirteen".