2012042343 has 8 divisors (see below), whose sum is σ = 2682931456. Its totient is φ = 1341257400.

The previous prime is 2012042309. The next prime is 2012042363. The reversal of 2012042343 is 3432402102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012042343 - 2¹³ = 2012034151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012042363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55548 + ... + 84318.

It is an arithmetic number, because the mean of its divisors is an integer number (335366432).

Almost surely, 2^2012042343 is an apocalyptic number.

2012042343 is a deficient number, since it is larger than the sum of its proper divisors (670889113).

2012042343 is a wasteful number, since it uses less digits than its factorization.

2012042343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52085.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2012042343 is about 44855.7949767920. The cubic root of 2012042343 is about 1262.4447250642. Note that the first 3 decimals are identical.

Adding to 2012042343 its reverse (3432402102), we get a palindrome (5444444445).

The spelling of 2012042343 in words is "two billion, twelve million, forty-two thousand, three hundred forty-three".