233768831 has 2 divisors, whose sum is σ = 233768832. Its totient is φ = 233768830.

The previous prime is 233768827. The next prime is 233768833. The reversal of 233768831 is 138867332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 233768831 - 2² = 233768827 is a prime.

It is a super-2 number, since 2×233768831² = 109295732694213122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 233768833, 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 (233768833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116884415 + 116884416.

It is an arithmetic number, because the mean of its divisors is an integer number (116884416).

Almost surely, 2^233768831 is an apocalyptic number.

233768831 is a deficient number, since it is larger than the sum of its proper divisors (1).

233768831 is an equidigital number, since it uses as much as digits as its factorization.

233768831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 233768831 is about 15289.5006785702. The cubic root of 233768831 is about 616.0210249964.

The spelling of 233768831 in words is "two hundred thirty-three million, seven hundred sixty-eight thousand, eight hundred thirty-one".