23125313 has 2 divisors, whose sum is σ = 23125314. Its totient is φ = 23125312.

The previous prime is 23125309. The next prime is 23125343. The reversal of 23125313 is 31352132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19465744 + 3659569 = 4412^2 + 1913^2 .

It is a cyclic number.

It is not a de Polignac number, because 23125313 - 2² = 23125309 is a prime.

It is not a weakly prime, because it can be changed into another prime (23125343) 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 as a sum of consecutive naturals, namely, 11562656 + 11562657.

It is an arithmetic number, because the mean of its divisors is an integer number (11562657).

Almost surely, 2^23125313 is an apocalyptic number.

It is an amenable number.

23125313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23125313 is an equidigital number, since it uses as much as digits as its factorization.

23125313 is an odious number, because the sum of its binary digits is odd.

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

The square root of 23125313 is about 4808.8785594980. The cubic root of 23125313 is about 284.9022461505.

Adding to 23125313 its reverse (31352132), we get a palindrome (54477445).

The spelling of 23125313 in words is "twenty-three million, one hundred twenty-five thousand, three hundred thirteen".