23201839 has 2 divisors, whose sum is σ = 23201840. Its totient is φ = 23201838.

The previous prime is 23201767. The next prime is 23201851. The reversal of 23201839 is 93810232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23201839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23201539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600919 + 11600920.

It is an arithmetic number, because the mean of its divisors is an integer number (11600920).

Almost surely, 2^23201839 is an apocalyptic number.

23201839 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201839 is an equidigital number, since it uses as much as digits as its factorization.

23201839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 23201839 is about 4816.8287285308. The cubic root of 23201839 is about 285.2161651298.

The spelling of 23201839 in words is "twenty-three million, two hundred one thousand, eight hundred thirty-nine".