23340839 has 2 divisors, whose sum is σ = 23340840. Its totient is φ = 23340838.

The previous prime is 23340817. The next prime is 23340859. The reversal of 23340839 is 93804332.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23340839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23340859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11670419 + 11670420.

It is an arithmetic number, because the mean of its divisors is an integer number (11670420).

Almost surely, 2^23340839 is an apocalyptic number.

23340839 is a deficient number, since it is larger than the sum of its proper divisors (1).

23340839 is an equidigital number, since it uses as much as digits as its factorization.

23340839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 23340839 is about 4831.2357632390. The cubic root of 23340839 is about 285.7845990875.

The spelling of 23340839 in words is "twenty-three million, three hundred forty thousand, eight hundred thirty-nine".