234112130340 has 96 divisors (see below), whose sum is σ = 715484980224. Its totient is φ = 56724389760.

The previous prime is 234112130297. The next prime is 234112130341. The reversal of 234112130340 is 43031211432.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 234112130340.

It is not an unprimeable number, because it can be changed into a prime (234112130341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165617 + ... + 1351623.

It is an arithmetic number, because the mean of its divisors is an integer number (7452968544).

Almost surely, 2^234112130340 is an apocalyptic number.

234112130340 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 234112130340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357742490112).

234112130340 is an abundant number, since it is smaller than the sum of its proper divisors (481372849884).

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

234112130340 is a wasteful number, since it uses less digits than its factorization.

234112130340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187937 (or 187935 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 234112130340 its reverse (43031211432), we get a palindrome (277143341772).

The spelling of 234112130340 in words is "two hundred thirty-four billion, one hundred twelve million, one hundred thirty thousand, three hundred forty".