2011142003423 has 4 divisors (see below), whose sum is σ = 2298448003920. Its totient is φ = 1723836002928.

The previous prime is 2011142003411. The next prime is 2011142003449. The reversal of 2011142003423 is 3243002411102.

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 2011142003423 - 2⁶ = 2011142003359 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 (2011142003023) 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, 143653000238 + ... + 143653000251.

It is an arithmetic number, because the mean of its divisors is an integer number (574612000980).

Almost surely, 2^{2011142003423} is an apocalyptic number.

2011142003423 is a deficient number, since it is larger than the sum of its proper divisors (287306000497).

2011142003423 is an equidigital number, since it uses as much as digits as its factorization.

2011142003423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287306000496.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2011142003423 its reverse (3243002411102), we get a palindrome (5254144414525).

The spelling of 2011142003423 in words is "two trillion, eleven billion, one hundred forty-two million, three thousand, four hundred twenty-three".