2042111023 has 4 divisors (see below), whose sum is σ = 2072590360. Its totient is φ = 2011631688.

The previous prime is 2042111003. The next prime is 2042111059. The reversal of 2042111023 is 3201112402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3201112402 = 2 ⋅1600556201.

It is a cyclic number.

It is not a de Polignac number, because 2042111023 - 2⁵ = 2042110991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2042110988 and 2042111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042111003) 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, 15239568 + ... + 15239701.

It is an arithmetic number, because the mean of its divisors is an integer number (518147590).

Almost surely, 2^2042111023 is an apocalyptic number.

2042111023 is a deficient number, since it is larger than the sum of its proper divisors (30479337).

2042111023 is an equidigital number, since it uses as much as digits as its factorization.

2042111023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30479336.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2042111023 is about 45189.7225373204. The cubic root of 2042111023 is about 1268.7024636092.

Adding to 2042111023 its reverse (3201112402), we get a palindrome (5243223425).

The spelling of 2042111023 in words is "two billion, forty-two million, one hundred eleven thousand, twenty-three".