234312040120 has 32 divisors (see below), whose sum is σ = 528897301920. Its totient is φ = 93423445120.

The previous prime is 234312040097. The next prime is 234312040129. The reversal of 234312040120 is 21040213432.

It is a super-2 number, since 2×234312040120² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234312040091 and 234312040100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234312040129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9405247 + ... + 9430126.

It is an arithmetic number, because the mean of its divisors is an integer number (16528040685).

Almost surely, 2^234312040120 is an apocalyptic number.

234312040120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234312040120 is an abundant number, since it is smaller than the sum of its proper divisors (294585261800).

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

234312040120 is a wasteful number, since it uses less digits than its factorization.

234312040120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18835695 (or 18835691 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 234312040120 its reverse (21040213432), we get a palindrome (255352253552).

The spelling of 234312040120 in words is "two hundred thirty-four billion, three hundred twelve million, forty thousand, one hundred twenty".