234315643 has 4 divisors (see below), whose sum is σ = 239764888. Its totient is φ = 228866400.

The previous prime is 234315623. The next prime is 234315647. The reversal of 234315643 is 346513432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234315643 - 2²¹ = 232218491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234315647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2724558 + ... + 2724643.

It is an arithmetic number, because the mean of its divisors is an integer number (59941222).

Almost surely, 2^234315643 is an apocalyptic number.

234315643 is a deficient number, since it is larger than the sum of its proper divisors (5449245).

234315643 is an equidigital number, since it uses as much as digits as its factorization.

234315643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5449244.

The product of its digits is 25920, while the sum is 31.

The square root of 234315643 is about 15307.3721781369. The cubic root of 234315643 is about 616.5009654947.

The spelling of 234315643 in words is "two hundred thirty-four million, three hundred fifteen thousand, six hundred forty-three".