234331340340 has 48 divisors (see below), whose sum is σ = 656149435200. Its totient is φ = 62486292480.

The previous prime is 234331340317. The next prime is 234331340377. The reversal of 234331340340 is 43043133432.

It is a super-2 number, since 2×234331340340² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 234331340298 and 234331340307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2866635 + ... + 2947245.

It is an arithmetic number, because the mean of its divisors is an integer number (13669779900).

Almost surely, 2^234331340340 is an apocalyptic number.

234331340340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234331340340 is an abundant number, since it is smaller than the sum of its proper divisors (421818094860).

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

234331340340 is a wasteful number, since it uses less digits than its factorization.

234331340340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129072 (or 129070 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 234331340340 its reverse (43043133432), we get a palindrome (277374473772).

The spelling of 234331340340 in words is "two hundred thirty-four billion, three hundred thirty-one million, three hundred forty thousand, three hundred forty".