Search a number
-
+
23168317 is a prime number
BaseRepresentation
bin101100001100…
…0010100111101
31121121001221211
41120120110331
521412341232
62144324421
7400633054
oct130302475
947531854
1023168317
1112094777
127913711
134a52583
14311139b
152079a47
hex161853d

23168317 has 2 divisors, whose sum is σ = 23168318. Its totient is φ = 23168316.

The previous prime is 23168309. The next prime is 23168329. The reversal of 23168317 is 71386132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22838841 + 329476 = 4779^2 + 574^2 .

It is a cyclic number.

It is not a de Polignac number, because 23168317 - 23 = 23168309 is a prime.

It is a super-2 number, since 2×231683172 = 1073541825224978, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23168347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11584158 + 11584159.

It is an arithmetic number, because the mean of its divisors is an integer number (11584159).

Almost surely, 223168317 is an apocalyptic number.

It is an amenable number.

23168317 is a deficient number, since it is larger than the sum of its proper divisors (1).

23168317 is an equidigital number, since it uses as much as digits as its factorization.

23168317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 23168317 is about 4813.3477954538. The cubic root of 23168317 is about 285.0787388886.

The spelling of 23168317 in words is "twenty-three million, one hundred sixty-eight thousand, three hundred seventeen".