23330213 has 4 divisors (see below), whose sum is σ = 23355948. Its totient is φ = 23304480.

The previous prime is 23330207. The next prime is 23330267. The reversal of 23330213 is 31203332.

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 19651489 + 3678724 = 4433^2 + 1918^2 .

It is a cyclic number.

It is not a de Polignac number, because 23330213 - 2¹⁸ = 23068069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23330191 and 23330200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23330113) 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, 11456 + ... + 13337.

It is an arithmetic number, because the mean of its divisors is an integer number (5838987).

Almost surely, 2^23330213 is an apocalyptic number.

It is an amenable number.

23330213 is a deficient number, since it is larger than the sum of its proper divisors (25735).

23330213 is an equidigital number, since it uses as much as digits as its factorization.

23330213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25734.

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

The square root of 23330213 is about 4830.1359194126. The cubic root of 23330213 is about 285.7412243529.

Adding to 23330213 its reverse (31203332), we get a palindrome (54533545).

The spelling of 23330213 in words is "twenty-three million, three hundred thirty thousand, two hundred thirteen".