23122313 has 2 divisors, whose sum is σ = 23122314. Its totient is φ = 23122312.

The previous prime is 23122301. The next prime is 23122331. The reversal of 23122313 is 31322132.

Together with next prime (23122331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12020089 + 11102224 = 3467^2 + 3332^2 .

It is a cyclic number.

It is not a de Polignac number, because 23122313 - 2¹² = 23118217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23122291 and 23122300.

It is not a weakly prime, because it can be changed into another prime (23122213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11561156 + 11561157.

It is an arithmetic number, because the mean of its divisors is an integer number (11561157).

Almost surely, 2^23122313 is an apocalyptic number.

It is an amenable number.

23122313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23122313 is an equidigital number, since it uses as much as digits as its factorization.

23122313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 17.

The square root of 23122313 is about 4808.5666263451. The cubic root of 23122313 is about 284.8899256873.

Adding to 23122313 its reverse (31322132), we get a palindrome (54444445).

The spelling of 23122313 in words is "twenty-three million, one hundred twenty-two thousand, three hundred thirteen".