23434289 has 2 divisors, whose sum is σ = 23434290. Its totient is φ = 23434288.

The previous prime is 23434249. The next prime is 23434297. The reversal of 23434289 is 98243432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23280625 + 153664 = 4825^2 + 392^2 .

It is a cyclic number.

It is not a de Polignac number, because 23434289 - 2²⁴ = 6657073 is a prime.

It is not a weakly prime, because it can be changed into another prime (23434219) 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, 11717144 + 11717145.

It is an arithmetic number, because the mean of its divisors is an integer number (11717145).

Almost surely, 2^23434289 is an apocalyptic number.

It is an amenable number.

23434289 is a deficient number, since it is larger than the sum of its proper divisors (1).

23434289 is an equidigital number, since it uses as much as digits as its factorization.

23434289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 23434289 is about 4840.8975407459. The cubic root of 23434289 is about 286.1654909661.

The spelling of 23434289 in words is "twenty-three million, four hundred thirty-four thousand, two hundred eighty-nine".