23319243 has 6 divisors (see below), whose sum is σ = 33683364. Its totient is φ = 15546156.

The previous prime is 23319239. The next prime is 23319253. The reversal of 23319243 is 34291332.

It is a happy number.

It is not a de Polignac number, because 23319243 - 2² = 23319239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23319203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1295505 + ... + 1295522.

It is an arithmetic number, because the mean of its divisors is an integer number (5613894).

Almost surely, 2^23319243 is an apocalyptic number.

23319243 is a deficient number, since it is larger than the sum of its proper divisors (10364121).

23319243 is a wasteful number, since it uses less digits than its factorization.

23319243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591033 (or 2591030 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 23319243 is about 4829.0002070822. Note that the first 3 decimals coincide. The cubic root of 23319243 is about 285.6964316105.

The spelling of 23319243 in words is "twenty-three million, three hundred nineteen thousand, two hundred forty-three".