234123220 has 12 divisors (see below), whose sum is σ = 491658804. Its totient is φ = 93649280.

The previous prime is 234123217. The next prime is 234123221. The reversal of 234123220 is 22321432.

234123220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 73239364 + 160883856 = 8558^2 + 12684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234123221) 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, 5853061 + ... + 5853100.

It is an arithmetic number, because the mean of its divisors is an integer number (40971567).

Almost surely, 2^234123220 is an apocalyptic number.

234123220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234123220 is an abundant number, since it is smaller than the sum of its proper divisors (257535584).

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

234123220 is a wasteful number, since it uses less digits than its factorization.

234123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11706170 (or 11706168 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 234123220 is about 15301.0855824023. The cubic root of 234123220 is about 616.3321597878.

Adding to 234123220 its reverse (22321432), we get a palindrome (256444652).

The spelling of 234123220 in words is "two hundred thirty-four million, one hundred twenty-three thousand, two hundred twenty".