2011012343 has 4 divisors (see below), whose sum is σ = 2011113408. Its totient is φ = 2010911280.

The previous prime is 2011012327. The next prime is 2011012349. The reversal of 2011012343 is 3432101102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2011012343 - 2⁴ = 2011012327 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 (2011012349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9671 + ... + 64152.

It is an arithmetic number, because the mean of its divisors is an integer number (502778352).

Almost surely, 2^2011012343 is an apocalyptic number.

2011012343 is a deficient number, since it is larger than the sum of its proper divisors (101065).

2011012343 is an equidigital number, since it uses as much as digits as its factorization.

2011012343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101064.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2011012343 is about 44844.3122703426. The cubic root of 2011012343 is about 1262.2292657127.

Adding to 2011012343 its reverse (3432101102), we get a palindrome (5443113445).

The spelling of 2011012343 in words is "two billion, eleven million, twelve thousand, three hundred forty-three".