234331423 has 4 divisors (see below), whose sum is σ = 234597688. Its totient is φ = 234065160.

The previous prime is 234331403. The next prime is 234331457. The reversal of 234331423 is 324133432.

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 234331423 - 2¹³ = 234323231 is a prime.

It is a super-2 number, since 2×234331423² = 109822431610409858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234331403) 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, 131808 + ... + 133573.

It is an arithmetic number, because the mean of its divisors is an integer number (58649422).

Almost surely, 2^234331423 is an apocalyptic number.

234331423 is a deficient number, since it is larger than the sum of its proper divisors (266265).

234331423 is an equidigital number, since it uses as much as digits as its factorization.

234331423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266264.

The product of its digits is 5184, while the sum is 25.

The square root of 234331423 is about 15307.8876073742. The cubic root of 234331423 is about 616.5148046147.

Adding to 234331423 its reverse (324133432), we get a palindrome (558464855).

The spelling of 234331423 in words is "two hundred thirty-four million, three hundred thirty-one thousand, four hundred twenty-three".