23251313 has 2 divisors, whose sum is σ = 23251314. Its totient is φ = 23251312.

The previous prime is 23251279. The next prime is 23251331. The reversal of 23251313 is 31315232.

Together with next prime (23251331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18722929 + 4528384 = 4327^2 + 2128^2 .

It is a cyclic number.

It is not a de Polignac number, because 23251313 - 2²² = 19057009 is a prime.

It is not a weakly prime, because it can be changed into another prime (23251343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11625656 + 11625657.

It is an arithmetic number, because the mean of its divisors is an integer number (11625657).

Almost surely, 2^23251313 is an apocalyptic number.

It is an amenable number.

23251313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23251313 is an equidigital number, since it uses as much as digits as its factorization.

23251313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 20.

The square root of 23251313 is about 4821.9615303318. The cubic root of 23251313 is about 285.4187462958.

Adding to 23251313 its reverse (31315232), we get a palindrome (54566545).

The spelling of 23251313 in words is "twenty-three million, two hundred fifty-one thousand, three hundred thirteen".