23454289 has 2 divisors, whose sum is σ = 23454290. Its totient is φ = 23454288.

The previous prime is 23454287. The next prime is 23454367. The reversal of 23454289 is 98245432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19210689 + 4243600 = 4383^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 23454289 - 2¹ = 23454287 is a prime.

Together with 23454287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23454287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11727144 + 11727145.

It is an arithmetic number, because the mean of its divisors is an integer number (11727145).

Almost surely, 2^23454289 is an apocalyptic number.

It is an amenable number.

23454289 is a deficient number, since it is larger than the sum of its proper divisors (1).

23454289 is an equidigital number, since it uses as much as digits as its factorization.

23454289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 23454289 is about 4842.9628328122. The cubic root of 23454289 is about 286.2468771549.

The spelling of 23454289 in words is "twenty-three million, four hundred fifty-four thousand, two hundred eighty-nine".