23454217 has 2 divisors, whose sum is σ = 23454218. Its totient is φ = 23454216.

The previous prime is 23454209. The next prime is 23454251. The reversal of 23454217 is 71245432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18870336 + 4583881 = 4344^2 + 2141^2 .

It is a cyclic number.

It is not a de Polignac number, because 23454217 - 2³ = 23454209 is a prime.

It is not a weakly prime, because it can be changed into another prime (23454257) 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, 11727108 + 11727109.

It is an arithmetic number, because the mean of its divisors is an integer number (11727109).

Almost surely, 2^23454217 is an apocalyptic number.

It is an amenable number.

23454217 is a deficient number, since it is larger than the sum of its proper divisors (1).

23454217 is an equidigital number, since it uses as much as digits as its factorization.

23454217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 28.

The square root of 23454217 is about 4842.9553993404. The cubic root of 23454217 is about 286.2465842476.

Adding to 23454217 its reverse (71245432), we get a palindrome (94699649).

The spelling of 23454217 in words is "twenty-three million, four hundred fifty-four thousand, two hundred seventeen".