234352991 has 2 divisors, whose sum is σ = 234352992. Its totient is φ = 234352990.

The previous prime is 234352981. The next prime is 234352997. The reversal of 234352991 is 199253432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234352991 - 2¹⁰ = 234351967 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234352997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117176495 + 117176496.

It is an arithmetic number, because the mean of its divisors is an integer number (117176496).

Almost surely, 2^234352991 is an apocalyptic number.

234352991 is a deficient number, since it is larger than the sum of its proper divisors (1).

234352991 is an equidigital number, since it uses as much as digits as its factorization.

234352991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The square root of 234352991 is about 15308.5920645891. The cubic root of 234352991 is about 616.5337188277.

The spelling of 234352991 in words is "two hundred thirty-four million, three hundred fifty-two thousand, nine hundred ninety-one".