23430233 has 4 divisors (see below), whose sum is σ = 24808500. Its totient is φ = 22051968.

The previous prime is 23430223. The next prime is 23430263. The reversal of 23430233 is 33203432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9909904 + 13520329 = 3148^2 + 3677^2 .

It is a cyclic number.

It is not a de Polignac number, because 23430233 - 2²⁰ = 22381657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23430223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689108 + ... + 689141.

It is an arithmetic number, because the mean of its divisors is an integer number (6202125).

Almost surely, 2^23430233 is an apocalyptic number.

It is an amenable number.

23430233 is a deficient number, since it is larger than the sum of its proper divisors (1378267).

23430233 is a wasteful number, since it uses less digits than its factorization.

23430233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378266.

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 23430233 is about 4840.4785920403. The cubic root of 23430233 is about 286.1489801999.

Adding to 23430233 its reverse (33203432), we get a palindrome (56633665).

The spelling of 23430233 in words is "twenty-three million, four hundred thirty thousand, two hundred thirty-three".