2043040023 has 16 divisors (see below), whose sum is σ = 3078028800. Its totient is φ = 1338940440.

The previous prime is 2043040009. The next prime is 2043040031. The reversal of 2043040023 is 3200403402.

It is not a de Polignac number, because 2043040023 - 2⁴ = 2043040007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2043039978 and 2043040005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043040033) 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, 639663 + ... + 642848.

It is an arithmetic number, because the mean of its divisors is an integer number (192376800).

Almost surely, 2^2043040023 is an apocalyptic number.

2043040023 is a deficient number, since it is larger than the sum of its proper divisors (1034988777).

2043040023 is a wasteful number, since it uses less digits than its factorization.

2043040023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282579 (or 1282573 counting only the distinct ones).

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

The square root of 2043040023 is about 45200.0002544248. Note that the first 3 decimals coincide. The cubic root of 2043040023 is about 1268.8948210755.

Adding to 2043040023 its reverse (3200403402), we get a palindrome (5243443425).

The spelling of 2043040023 in words is "two billion, forty-three million, forty thousand, twenty-three".