23047893 has 24 divisors (see below), whose sum is σ = 38232480. Its totient is φ = 13232160.

The previous prime is 23047889. The next prime is 23047943. The reversal of 23047893 is 39874032.

It is not a de Polignac number, because 23047893 - 2² = 23047889 is a prime.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4246 + ... + 8007.

It is an arithmetic number, because the mean of its divisors is an integer number (1593020).

Almost surely, 2^23047893 is an apocalyptic number.

It is an amenable number.

23047893 is a deficient number, since it is larger than the sum of its proper divisors (15184587).

23047893 is a wasteful number, since it uses less digits than its factorization.

23047893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12289 (or 12286 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 23047893 is about 4800.8221170962. The cubic root of 23047893 is about 284.5839543517.

The spelling of 23047893 in words is "twenty-three million, forty-seven thousand, eight hundred ninety-three".