231483839 has 2 divisors, whose sum is σ = 231483840. Its totient is φ = 231483838.

The previous prime is 231483823. The next prime is 231483841. The reversal of 231483839 is 938384132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231483839 - 2⁴ = 231483823 is a prime.

Together with 231483841, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 231483796 and 231483805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231483809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115741919 + 115741920.

It is an arithmetic number, because the mean of its divisors is an integer number (115741920).

Almost surely, 2^231483839 is an apocalyptic number.

231483839 is a deficient number, since it is larger than the sum of its proper divisors (1).

231483839 is an equidigital number, since it uses as much as digits as its factorization.

231483839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 231483839 is about 15214.5929620217. The cubic root of 231483839 is about 614.0073342077.

The spelling of 231483839 in words is "two hundred thirty-one million, four hundred eighty-three thousand, eight hundred thirty-nine".