234200643 has 4 divisors (see below), whose sum is σ = 312267528. Its totient is φ = 156133760.

The previous prime is 234200627. The next prime is 234200647. The reversal of 234200643 is 346002432.

It is a happy number.

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 234200643 - 2⁴ = 234200627 is a prime.

It is a super-2 number, since 2×234200643² = 109699882363226898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (234200647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39033438 + ... + 39033443.

It is an arithmetic number, because the mean of its divisors is an integer number (78066882).

Almost surely, 2^234200643 is an apocalyptic number.

234200643 is a deficient number, since it is larger than the sum of its proper divisors (78066885).

234200643 is an equidigital number, since it uses as much as digits as its factorization.

234200643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78066884.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 234200643 is about 15303.6153571632. The cubic root of 234200643 is about 616.4000912894.

The spelling of 234200643 in words is "two hundred thirty-four million, two hundred thousand, six hundred forty-three".