23031323 has 12 divisors (see below), whose sum is σ = 27009792. Its totient is φ = 19580400.

The previous prime is 23031319. The next prime is 23031329. The reversal of 23031323 is 32313032.

It is not a de Polignac number, because 23031323 - 2² = 23031319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23031329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4373 + ... + 8073.

It is an arithmetic number, because the mean of its divisors is an integer number (2250816).

Almost surely, 2^23031323 is an apocalyptic number.

23031323 is a deficient number, since it is larger than the sum of its proper divisors (3978469).

23031323 is a wasteful number, since it uses less digits than its factorization.

23031323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842 (or 3835 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 23031323 is about 4799.0960607181. The cubic root of 23031323 is about 284.5157386203.

Adding to 23031323 its reverse (32313032), we get a palindrome (55344355).

The spelling of 23031323 in words is "twenty-three million, thirty-one thousand, three hundred twenty-three".