2040043023 has 16 divisors (see below), whose sum is σ = 3092573440. Its totient is φ = 1328399352.

The previous prime is 2040043013. The next prime is 2040043043. The reversal of 2040043023 is 3203400402.

It is not a de Polignac number, because 2040043023 - 2¹⁶ = 2039977487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2040042987 and 2040043005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040043013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877411 + ... + 879732.

It is an arithmetic number, because the mean of its divisors is an integer number (193285840).

Almost surely, 2^2040043023 is an apocalyptic number.

2040043023 is a deficient number, since it is larger than the sum of its proper divisors (1052530417).

2040043023 is a wasteful number, since it uses less digits than its factorization.

2040043023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757195 (or 1757189 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2040043023 is about 45166.8354326490. The cubic root of 2040043023 is about 1268.2740567939.

Adding to 2040043023 its reverse (3203400402), we get a palindrome (5243443425).

The spelling of 2040043023 in words is "two billion, forty million, forty-three thousand, twenty-three".