4023442423 has 32 divisors (see below), whose sum is σ = 5444812800. Its totient is φ = 2871106560.

The previous prime is 4023442399. The next prime is 4023442469. The reversal of 4023442423 is 3242443204.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4023442423 is a prime.

It is a super-2 number, since 2×4023442423² = 32376177862392221858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4023442391 and 4023442400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023442483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111303 + ... + 142951.

It is an arithmetic number, because the mean of its divisors is an integer number (170150400).

Almost surely, 2^4023442423 is an apocalyptic number.

4023442423 is a deficient number, since it is larger than the sum of its proper divisors (1421370377).

4023442423 is a wasteful number, since it uses less digits than its factorization.

4023442423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31807.

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 4023442423 is about 63430.6110880228. The cubic root of 4023442423 is about 1590.4960575280.

Adding to 4023442423 its reverse (3242443204), we get a palindrome (7265885627).

The spelling of 4023442423 in words is "four billion, twenty-three million, four hundred forty-two thousand, four hundred twenty-three".