2012072343 has 4 divisors (see below), whose sum is σ = 2682763128. Its totient is φ = 1341381560.

The previous prime is 2012072327. The next prime is 2012072353. The reversal of 2012072343 is 3432702102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2012072343 - 2⁴ = 2012072327 is a prime.

It is a super-2 number, since 2×2012072343² = 8096870226931019298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012072353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335345388 + ... + 335345393.

It is an arithmetic number, because the mean of its divisors is an integer number (670690782).

Almost surely, 2^2012072343 is an apocalyptic number.

2012072343 is a deficient number, since it is larger than the sum of its proper divisors (670690785).

2012072343 is an equidigital number, since it uses as much as digits as its factorization.

2012072343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670690784.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 2012072343 is about 44856.1293804983. The cubic root of 2012072343 is about 1262.4509994772.

Adding to 2012072343 its reverse (3432702102), we get a palindrome (5444774445).

The spelling of 2012072343 in words is "two billion, twelve million, seventy-two thousand, three hundred forty-three".