4040024423 has 4 divisors (see below), whose sum is σ = 4179335640. Its totient is φ = 3900713208.

The previous prime is 4040024407. The next prime is 4040024441. The reversal of 4040024423 is 3244200404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4040024423 - 2⁴ = 4040024407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040024123) 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, 69655565 + ... + 69655622.

It is an arithmetic number, because the mean of its divisors is an integer number (1044833910).

Almost surely, 2^4040024423 is an apocalyptic number.

4040024423 is a deficient number, since it is larger than the sum of its proper divisors (139311217).

4040024423 is a wasteful number, since it uses less digits than its factorization.

4040024423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139311216.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 4040024423 is about 63561.1864505376. The cubic root of 4040024423 is about 1592.6780577489.

Adding to 4040024423 its reverse (3244200404), we get a palindrome (7284224827).

The spelling of 4040024423 in words is "four billion, forty million, twenty-four thousand, four hundred twenty-three".