2040204323423 has 64 divisors (see below), whose sum is σ = 2644862976000. Its totient is φ = 1565574484320.

The previous prime is 2040204323411. The next prime is 2040204323449. The reversal of 2040204323423 is 3243234020402.

It is a happy number.

It is not a de Polignac number, because 2040204323423 - 2⁴ = 2040204323407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040204323723) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12358958 + ... + 12522948.

It is an arithmetic number, because the mean of its divisors is an integer number (41325984000).

Almost surely, 2^{2040204323423} is an apocalyptic number.

2040204323423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2040204323423 is a deficient number, since it is larger than the sum of its proper divisors (604658652577).

2040204323423 is a wasteful number, since it uses less digits than its factorization.

2040204323423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164137 (or 164123 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 2040204323423 its reverse (3243234020402), we get a palindrome (5283438343825).

The spelling of 2040204323423 in words is "two trillion, forty billion, two hundred four million, three hundred twenty-three thousand, four hundred twenty-three".