234431369 has 2 divisors, whose sum is σ = 234431370. Its totient is φ = 234431368.

The previous prime is 234431363. The next prime is 234431413. The reversal of 234431369 is 963134432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196140025 + 38291344 = 14005^2 + 6188^2 .

It is a cyclic number.

It is not a de Polignac number, because 234431369 - 2¹² = 234427273 is a prime.

It is a super-2 number, since 2×234431369² = 109916133542428322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (234431363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117215684 + 117215685.

It is an arithmetic number, because the mean of its divisors is an integer number (117215685).

Almost surely, 2^234431369 is an apocalyptic number.

It is an amenable number.

234431369 is a deficient number, since it is larger than the sum of its proper divisors (1).

234431369 is an equidigital number, since it uses as much as digits as its factorization.

234431369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 35.

The square root of 234431369 is about 15311.1517855451. The cubic root of 234431369 is about 616.6024432102.

The spelling of 234431369 in words is "two hundred thirty-four million, four hundred thirty-one thousand, three hundred sixty-nine".