234912231 has 32 divisors (see below), whose sum is σ = 354594240. Its totient is φ = 155597760.

The previous prime is 234912221. The next prime is 234912241. The reversal of 234912231 is 132219432.

It is a happy number.

234912231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (234912221) and next prime (234912241).

It is not a de Polignac number, because 234912231 - 2⁵ = 234912199 is a prime.

It is a super-2 number, since 2×234912231² = 110367512546794722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 234912195 and 234912204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234912211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509341 + ... + 509801.

It is an arithmetic number, because the mean of its divisors is an integer number (11081070).

Almost surely, 2^234912231 is an apocalyptic number.

234912231 is a deficient number, since it is larger than the sum of its proper divisors (119682009).

234912231 is an frugal number, since it uses more digits than its factorization.

234912231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 697 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 234912231 is about 15326.8467402790. The cubic root of 234912231 is about 617.0237437527.

The spelling of 234912231 in words is "two hundred thirty-four million, nine hundred twelve thousand, two hundred thirty-one".