232897919 has 2 divisors, whose sum is σ = 232897920. Its totient is φ = 232897918.

The previous prime is 232897901. The next prime is 232897921. The reversal of 232897919 is 919798232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232897919 is a prime.

It is a super-2 number, since 2×232897919² = 108482881349061122, which contains 22 as substring.

Together with 232897921, 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 (232897969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116448959 + 116448960.

It is an arithmetic number, because the mean of its divisors is an integer number (116448960).

Almost surely, 2^232897919 is an apocalyptic number.

232897919 is a deficient number, since it is larger than the sum of its proper divisors (1).

232897919 is an equidigital number, since it uses as much as digits as its factorization.

232897919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 50.

The square root of 232897919 is about 15260.9933818215. The cubic root of 232897919 is about 615.2550721082.

The spelling of 232897919 in words is "two hundred thirty-two million, eight hundred ninety-seven thousand, nine hundred nineteen".