2011421443023 has 12 divisors (see below), whose sum is σ = 2972953657960. Its totient is φ = 1309762799856.

The previous prime is 2011421443019. The next prime is 2011421443043. The reversal of 2011421443023 is 3203441241102.

2011421443023 is a `hidden beast` number, since 2 + 0 + 1 + 14 + 214 + 430 + 2 + 3 = 666.

It is not a de Polignac number, because 2011421443023 - 2² = 2011421443019 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 (2011421443013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2598735328 + ... + 2598736101.

Almost surely, 2^{2011421443023} is an apocalyptic number.

2011421443023 is a deficient number, since it is larger than the sum of its proper divisors (961532214937).

2011421443023 is a wasteful number, since it uses less digits than its factorization.

2011421443023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197471478 (or 5197471475 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2011421443023 its reverse (3203441241102), we get a palindrome (5214862684125).

The spelling of 2011421443023 in words is "two trillion, eleven billion, four hundred twenty-one million, four hundred forty-three thousand, twenty-three".