23451317 has 2 divisors, whose sum is σ = 23451318. Its totient is φ = 23451316.

The previous prime is 23451293. The next prime is 23451341. The reversal of 23451317 is 71315432.

It is a balanced prime because it is at equal distance from previous prime (23451293) and next prime (23451341).

It can be written as a sum of positive squares in only one way, i.e., 15689521 + 7761796 = 3961^2 + 2786^2 .

It is a cyclic number.

It is not a de Polignac number, because 23451317 - 2¹⁴ = 23434933 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 (23451367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11725658 + 11725659.

It is an arithmetic number, because the mean of its divisors is an integer number (11725659).

Almost surely, 2^23451317 is an apocalyptic number.

It is an amenable number.

23451317 is a deficient number, since it is larger than the sum of its proper divisors (1).

23451317 is an equidigital number, since it uses as much as digits as its factorization.

23451317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 23451317 is about 4842.6559861299. The cubic root of 23451317 is about 286.2347860948.

Adding to 23451317 its reverse (71315432), we get a palindrome (94766749).

The spelling of 23451317 in words is "twenty-three million, four hundred fifty-one thousand, three hundred seventeen".