2040423 has 32 divisors (see below), whose sum is σ = 3466752. Its totient is φ = 1045440.

The previous prime is 2040407. The next prime is 2040427. The reversal of 2040423 is 3240402.

It is a happy number.

It is not a de Polignac number, because 2040423 - 2⁴ = 2040407 is a prime.

2040423 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27915 + ... + 27987.

It is an arithmetic number, because the mean of its divisors is an integer number (108336).

2^2040423 is an apocalyptic number.

2040423 is a deficient number, since it is larger than the sum of its proper divisors (1426329).

2040423 is an equidigital number, since it uses as much as digits as its factorization.

2040423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2040423 is about 1428.4337576521. The cubic root of 2040423 is about 126.8352794521.

Adding to 2040423 its reverse (3240402), we get a palindrome (5280825).

The spelling of 2040423 in words is "two million, forty thousand, four hundred twenty-three".