23130213 has 4 divisors (see below), whose sum is σ = 30840288. Its totient is φ = 15420140.

The previous prime is 23130193. The next prime is 23130253. The reversal of 23130213 is 31203132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23130213 - 2⁸ = 23129957 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23130192 and 23130201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130253) 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, 3855033 + ... + 3855038.

It is an arithmetic number, because the mean of its divisors is an integer number (7710072).

Almost surely, 2^23130213 is an apocalyptic number.

It is an amenable number.

23130213 is a deficient number, since it is larger than the sum of its proper divisors (7710075).

23130213 is an equidigital number, since it uses as much as digits as its factorization.

23130213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7710074.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 23130213 is about 4809.3880068050. The cubic root of 23130213 is about 284.9223672823.

Adding to 23130213 its reverse (31203132), we get a palindrome (54333345).

The spelling of 23130213 in words is "twenty-three million, one hundred thirty thousand, two hundred thirteen".