234308231 has 2 divisors, whose sum is σ = 234308232. Its totient is φ = 234308230.

The previous prime is 234308227. The next prime is 234308237. The reversal of 234308231 is 132803432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234308231 - 2² = 234308227 is a prime.

It is a super-4 number, since 4×234308231⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 234308231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234308237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117154115 + 117154116.

It is an arithmetic number, because the mean of its divisors is an integer number (117154116).

Almost surely, 2^234308231 is an apocalyptic number.

234308231 is a deficient number, since it is larger than the sum of its proper divisors (1).

234308231 is an equidigital number, since it uses as much as digits as its factorization.

234308231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 234308231 is about 15307.1300706566. The cubic root of 234308231 is about 616.4944649281.

The spelling of 234308231 in words is "two hundred thirty-four million, three hundred eight thousand, two hundred thirty-one".