234331420 has 12 divisors (see below), whose sum is σ = 492096024. Its totient is φ = 93732560.

The previous prime is 234331403. The next prime is 234331457. The reversal of 234331420 is 24133432.

It is a happy number.

It is a super-2 number, since 2×234331420² = 109822428798432800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234331391 and 234331400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5858266 + ... + 5858305.

It is an arithmetic number, because the mean of its divisors is an integer number (41008002).

Almost surely, 2^234331420 is an apocalyptic number.

234331420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234331420 is an abundant number, since it is smaller than the sum of its proper divisors (257764604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234331420 is a wasteful number, since it uses less digits than its factorization.

234331420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11716580 (or 11716578 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 234331420 is about 15307.8875093855. The cubic root of 234331420 is about 616.5148019837.

Adding to 234331420 its reverse (24133432), we get a palindrome (258464852).

The spelling of 234331420 in words is "two hundred thirty-four million, three hundred thirty-one thousand, four hundred twenty".