2343121340 has 48 divisors (see below), whose sum is σ = 5633531904. Its totient is φ = 801921600.

The previous prime is 2343121337. The next prime is 2343121367. The reversal of 2343121340 is 431213432.

2343121340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2343121340² = 10980435227926791200, which contains 22 as substring.

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, 65285 + ... + 94595.

It is an arithmetic number, because the mean of its divisors is an integer number (117365248).

Almost surely, 2^2343121340 is an apocalyptic number.

2343121340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2343121340 is an abundant number, since it is smaller than the sum of its proper divisors (3290410564).

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

2343121340 is a wasteful number, since it uses less digits than its factorization.

2343121340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29898 (or 29896 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2343121340 is about 48405.7986195869. The cubic root of 2343121340 is about 1328.2044362471.

Adding to 2343121340 its reverse (431213432), we get a palindrome (2774334772).

The spelling of 2343121340 in words is "two billion, three hundred forty-three million, one hundred twenty-one thousand, three hundred forty".