2011402343 has 4 divisors (see below), whose sum is σ = 2016048048. Its totient is φ = 2006756640.

The previous prime is 2011402333. The next prime is 2011402363. The reversal of 2011402343 is 3432041102.

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 2011402343 - 2⁸ = 2011402087 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 (2011402303) 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, 2322203 + ... + 2323068.

It is an arithmetic number, because the mean of its divisors is an integer number (504012012).

Almost surely, 2^2011402343 is an apocalyptic number.

2011402343 is a deficient number, since it is larger than the sum of its proper divisors (4645705).

2011402343 is an equidigital number, since it uses as much as digits as its factorization.

2011402343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645704.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2011402343 is about 44848.6604370744. The cubic root of 2011402343 is about 1262.3108560614.

Adding to 2011402343 its reverse (3432041102), we get a palindrome (5443443445).

The spelling of 2011402343 in words is "two billion, eleven million, four hundred two thousand, three hundred forty-three".