23243893 has 4 divisors (see below), whose sum is σ = 23993728. Its totient is φ = 22494060.

The previous prime is 23243849. The next prime is 23243929. The reversal of 23243893 is 39834232.

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 23243893 - 2¹³ = 23235701 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 (23243093) 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, 374871 + ... + 374932.

It is an arithmetic number, because the mean of its divisors is an integer number (5998432).

Almost surely, 2^23243893 is an apocalyptic number.

It is an amenable number.

23243893 is a deficient number, since it is larger than the sum of its proper divisors (749835).

23243893 is an equidigital number, since it uses as much as digits as its factorization.

23243893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749834.

The product of its digits is 31104, while the sum is 34.

The square root of 23243893 is about 4821.1920725065. The cubic root of 23243893 is about 285.3883819545.

The spelling of 23243893 in words is "twenty-three million, two hundred forty-three thousand, eight hundred ninety-three".