2312434340 has 12 divisors (see below), whose sum is σ = 4856112156. Its totient is φ = 924973728.

The previous prime is 2312434339. The next prime is 2312434381. The reversal of 2312434340 is 434342132.

It can be written as a sum of positive squares in 2 ways, for example, as 262699264 + 2049735076 = 16208^2 + 45274^2 .

It is a super-2 number, since 2×2312434340² = 10694705153622471200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57810839 + ... + 57810878.

It is an arithmetic number, because the mean of its divisors is an integer number (404676013).

Almost surely, 2^2312434340 is an apocalyptic number.

2312434340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312434340 is an abundant number, since it is smaller than the sum of its proper divisors (2543677816).

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

2312434340 is a wasteful number, since it uses less digits than its factorization.

2312434340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115621726 (or 115621724 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 2312434340 is about 48087.7774491606. Note that the first 3 decimals coincide. The cubic root of 2312434340 is about 1322.3806022595.

Adding to 2312434340 its reverse (434342132), we get a palindrome (2746776472).

The spelling of 2312434340 in words is "two billion, three hundred twelve million, four hundred thirty-four thousand, three hundred forty".