23102213 has 2 divisors, whose sum is σ = 23102214. Its totient is φ = 23102212.

The previous prime is 23102141. The next prime is 23102221. The reversal of 23102213 is 31220132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17447329 + 5654884 = 4177^2 + 2378^2 .

It is a cyclic number.

It is not a de Polignac number, because 23102213 - 2²⁰ = 22053637 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23102113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551106 + 11551107.

It is an arithmetic number, because the mean of its divisors is an integer number (11551107).

Almost surely, 2^23102213 is an apocalyptic number.

It is an amenable number.

23102213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23102213 is an equidigital number, since it uses as much as digits as its factorization.

23102213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23102213 is about 4806.4761520266. The cubic root of 23102213 is about 284.8073510825.

Adding to 23102213 its reverse (31220132), we get a palindrome (54322345).

The spelling of 23102213 in words is "twenty-three million, one hundred two thousand, two hundred thirteen".