23042291 has 2 divisors, whose sum is σ = 23042292. Its totient is φ = 23042290.

The previous prime is 23042263. The next prime is 23042303. The reversal of 23042291 is 19224032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23042291 - 2¹⁰ = 23041267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23042221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11521145 + 11521146.

It is an arithmetic number, because the mean of its divisors is an integer number (11521146).

Almost surely, 2^23042291 is an apocalyptic number.

23042291 is a deficient number, since it is larger than the sum of its proper divisors (1).

23042291 is an equidigital number, since it uses as much as digits as its factorization.

23042291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 23042291 is about 4800.2386399011. The cubic root of 23042291 is about 284.5608955774.

The spelling of 23042291 in words is "twenty-three million, forty-two thousand, two hundred ninety-one".