23838839 has 2 divisors, whose sum is σ = 23838840. Its totient is φ = 23838838.

The previous prime is 23838827. The next prime is 23838847. The reversal of 23838839 is 93883832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23838839 - 2¹⁶ = 23773303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23838839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23838869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11919419 + 11919420.

It is an arithmetic number, because the mean of its divisors is an integer number (11919420).

Almost surely, 2^23838839 is an apocalyptic number.

23838839 is a deficient number, since it is larger than the sum of its proper divisors (1).

23838839 is an equidigital number, since it uses as much as digits as its factorization.

23838839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 23838839 is about 4882.5033538135. The cubic root of 23838839 is about 287.8028123907.

The spelling of 23838839 in words is "twenty-three million, eight hundred thirty-eight thousand, eight hundred thirty-nine".