234233231 has 2 divisors, whose sum is σ = 234233232. Its totient is φ = 234233230.

The previous prime is 234233201. The next prime is 234233249. The reversal of 234233231 is 132332432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234233231 - 2²² = 230038927 is a prime.

It is a super-2 number, since 2×234233231² = 109730413009398722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 234233197 and 234233206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234233201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117116615 + 117116616.

It is an arithmetic number, because the mean of its divisors is an integer number (117116616).

Almost surely, 2^234233231 is an apocalyptic number.

234233231 is a deficient number, since it is larger than the sum of its proper divisors (1).

234233231 is an equidigital number, since it uses as much as digits as its factorization.

234233231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 23.

The square root of 234233231 is about 15304.6800358583. The cubic root of 234233231 is about 616.4286797600.

Adding to 234233231 its reverse (132332432), we get a palindrome (366565663).

The spelling of 234233231 in words is "two hundred thirty-four million, two hundred thirty-three thousand, two hundred thirty-one".