232332391 has 2 divisors, whose sum is σ = 232332392. Its totient is φ = 232332390.

The previous prime is 232332389. The next prime is 232332431. The reversal of 232332391 is 193233232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232332391 - 2¹ = 232332389 is a prime.

Together with 232332389, 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 (232332091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116166195 + 116166196.

It is an arithmetic number, because the mean of its divisors is an integer number (116166196).

Almost surely, 2^232332391 is an apocalyptic number.

232332391 is a deficient number, since it is larger than the sum of its proper divisors (1).

232332391 is an equidigital number, since it uses as much as digits as its factorization.

232332391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 28.

The square root of 232332391 is about 15242.4535754583. The cubic root of 232332391 is about 614.7566763863.

The spelling of 232332391 in words is "two hundred thirty-two million, three hundred thirty-two thousand, three hundred ninety-one".