23412289 has 2 divisors, whose sum is σ = 23412290. Its totient is φ = 23412288.

The previous prime is 23412287. The next prime is 23412299. The reversal of 23412289 is 98221432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12960000 + 10452289 = 3600^2 + 3233^2 .

It is a cyclic number.

It is not a de Polignac number, because 23412289 - 2¹ = 23412287 is a prime.

Together with 23412287, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23412289.

It is not a weakly prime, because it can be changed into another prime (23412283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11706144 + 11706145.

It is an arithmetic number, because the mean of its divisors is an integer number (11706145).

Almost surely, 2^23412289 is an apocalyptic number.

It is an amenable number.

23412289 is a deficient number, since it is larger than the sum of its proper divisors (1).

23412289 is an equidigital number, since it uses as much as digits as its factorization.

23412289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 23412289 is about 4838.6247012968. The cubic root of 23412289 is about 286.0759126573.

The spelling of 23412289 in words is "twenty-three million, four hundred twelve thousand, two hundred eighty-nine".