23152291 has 2 divisors, whose sum is σ = 23152292. Its totient is φ = 23152290.

The previous prime is 23152289. The next prime is 23152301. The reversal of 23152291 is 19225132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23152291 - 2¹ = 23152289 is a prime.

Together with 23152289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23152201) 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, 11576145 + 11576146.

It is an arithmetic number, because the mean of its divisors is an integer number (11576146).

Almost surely, 2^23152291 is an apocalyptic number.

23152291 is a deficient number, since it is larger than the sum of its proper divisors (1).

23152291 is an equidigital number, since it uses as much as digits as its factorization.

23152291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 23152291 is about 4811.6827617789. The cubic root of 23152291 is about 285.0129921234.

The spelling of 23152291 in words is "twenty-three million, one hundred fifty-two thousand, two hundred ninety-one".