234356243 has 4 divisors (see below), whose sum is σ = 255661368. Its totient is φ = 213051120.

The previous prime is 234356231. The next prime is 234356257. The reversal of 234356243 is 342653432.

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 234356243 - 2¹⁸ = 234094099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234356263) 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, 10652546 + ... + 10652567.

It is an arithmetic number, because the mean of its divisors is an integer number (63915342).

Almost surely, 2^234356243 is an apocalyptic number.

234356243 is a deficient number, since it is larger than the sum of its proper divisors (21305125).

234356243 is a wasteful number, since it uses less digits than its factorization.

234356243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21305124.

The product of its digits is 51840, while the sum is 32.

The square root of 234356243 is about 15308.6982790830. The cubic root of 234356243 is about 616.5365705919.

The spelling of 234356243 in words is "two hundred thirty-four million, three hundred fifty-six thousand, two hundred forty-three".