234427 has 4 divisors (see below), whose sum is σ = 235440. Its totient is φ = 233416.

The previous prime is 234383. The next prime is 234431. The reversal of 234427 is 724432.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234427 is a prime.

It is a Duffinian number.

234427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 234398 and 234407.

It is not an unprimeable number, because it can be changed into a prime (234457) 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, 33 + ... + 685.

It is an arithmetic number, because the mean of its divisors is an integer number (58860).

2²³⁴⁴²⁷ is an apocalyptic number.

234427 is a deficient number, since it is larger than the sum of its proper divisors (1013).

234427 is an equidigital number, since it uses as much as digits as its factorization.

234427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012.

The product of its digits is 1344, while the sum is 22.

The square root of 234427 is about 484.1766206665. The cubic root of 234427 is about 61.6598612732.

Adding to 234427 its reverse (724432), we get a palindrome (958859).

The spelling of 234427 in words is "two hundred thirty-four thousand, four hundred twenty-seven".