234231247 has 2 divisors, whose sum is σ = 234231248. Its totient is φ = 234231246.

The previous prime is 234231211. The next prime is 234231251. The reversal of 234231247 is 742132432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234231247 - 2⁷ = 234231119 is a prime.

It is equal to p_12862054 and since 234231247 and 12862054 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234231847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117115623 + 117115624.

It is an arithmetic number, because the mean of its divisors is an integer number (117115624).

Almost surely, 2^234231247 is an apocalyptic number.

234231247 is a deficient number, since it is larger than the sum of its proper divisors (1).

234231247 is an equidigital number, since it uses as much as digits as its factorization.

234231247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 28.

The square root of 234231247 is about 15304.6152189462. The cubic root of 234231247 is about 616.4269393324.

Adding to 234231247 its reverse (742132432), we get a palindrome (976363679).

The spelling of 234231247 in words is "two hundred thirty-four million, two hundred thirty-one thousand, two hundred forty-seven".