234232120140 has 288 divisors, whose sum is σ = 705585867840. Its totient is φ = 57978224640.

The previous prime is 234232120139. The next prime is 234232120159. The reversal of 234232120140 is 41021232432.

It is a happy number.

It is a super-2 number, since 2×234232120140² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 234232120140.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 213520072 + ... + 213521168.

It is an arithmetic number, because the mean of its divisors is an integer number (2449950930).

Almost surely, 2^234232120140 is an apocalyptic number.

234232120140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234232120140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352792933920).

234232120140 is an abundant number, since it is smaller than the sum of its proper divisors (471353747700).

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

234232120140 is a wasteful number, since it uses less digits than its factorization.

234232120140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 234232120140 its reverse (41021232432), we get a palindrome (275253352572).

The spelling of 234232120140 in words is "two hundred thirty-four billion, two hundred thirty-two million, one hundred twenty thousand, one hundred forty".