234543231 has 48 divisors (see below), whose sum is σ = 377788320. Its totient is φ = 139311360.

The previous prime is 234543229. The next prime is 234543293. The reversal of 234543231 is 132345432.

It is not a de Polignac number, because 234543231 - 2¹ = 234543229 is a prime.

It is a super-2 number, since 2×234543231² = 110021054415838722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234543195 and 234543204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234543031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 420805 + ... + 421361.

It is an arithmetic number, because the mean of its divisors is an integer number (7870590).

Almost surely, 2^234543231 is an apocalyptic number.

234543231 is a deficient number, since it is larger than the sum of its proper divisors (143245089).

234543231 is a wasteful number, since it uses less digits than its factorization.

234543231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 693 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 234543231 is about 15314.8043082502. The cubic root of 234543231 is about 616.7005009275.

Adding to 234543231 its reverse (132345432), we get a palindrome (366888663).

The spelling of 234543231 in words is "two hundred thirty-four million, five hundred forty-three thousand, two hundred thirty-one".