23037239 has 2 divisors, whose sum is σ = 23037240. Its totient is φ = 23037238.

The previous prime is 23037233. The next prime is 23037241. The reversal of 23037239 is 93273032.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23037239 is a prime.

Together with 23037241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23037233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11518619 + 11518620.

It is an arithmetic number, because the mean of its divisors is an integer number (11518620).

Almost surely, 2^23037239 is an apocalyptic number.

23037239 is a deficient number, since it is larger than the sum of its proper divisors (1).

23037239 is an equidigital number, since it uses as much as digits as its factorization.

23037239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 23037239 is about 4799.7123872166. The cubic root of 23037239 is about 284.5400974903.

The spelling of 23037239 in words is "twenty-three million, thirty-seven thousand, two hundred thirty-nine".