23249893 has 4 divisors (see below), whose sum is σ = 23260608. Its totient is φ = 23239180.

The previous prime is 23249869. The next prime is 23249927. The reversal of 23249893 is 39894232.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23249893 - 2⁵ = 23249861 is a prime.

It is a super-2 number, since 2×23249893² = 1081115049022898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23249813) 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, 823 + ... + 6868.

It is an arithmetic number, because the mean of its divisors is an integer number (5815152).

Almost surely, 2^23249893 is an apocalyptic number.

It is an amenable number.

23249893 is a deficient number, since it is larger than the sum of its proper divisors (10715).

23249893 is an equidigital number, since it uses as much as digits as its factorization.

23249893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10714.

The product of its digits is 93312, while the sum is 40.

The square root of 23249893 is about 4821.8142851006. The cubic root of 23249893 is about 285.4129358301.

It can be divided in two parts, 23249 and 893, that added together give a palindrome (24142).

The spelling of 23249893 in words is "twenty-three million, two hundred forty-nine thousand, eight hundred ninety-three".