23099243 has 4 divisors (see below), whose sum is σ = 24458040. Its totient is φ = 21740448.

The previous prime is 23099239. The next prime is 23099257. The reversal of 23099243 is 34299032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23099243 - 2² = 23099239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23099203) 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, 679373 + ... + 679406.

It is an arithmetic number, because the mean of its divisors is an integer number (6114510).

Almost surely, 2^23099243 is an apocalyptic number.

23099243 is a deficient number, since it is larger than the sum of its proper divisors (1358797).

23099243 is a wasteful number, since it uses less digits than its factorization.

23099243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358796.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 23099243 is about 4806.1671839419. The cubic root of 23099243 is about 284.7951456993.

The spelling of 23099243 in words is "twenty-three million, ninety-nine thousand, two hundred forty-three".