4042323 has 12 divisors (see below), whose sum is σ = 5898048. Its totient is φ = 2667600.

The previous prime is 4042309. The next prime is 4042327. The reversal of 4042323 is 3232404.

It is not a de Polignac number, because 4042323 - 2¹⁰ = 4041299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4042296 and 4042305.

It is not an unprimeable number, because it can be changed into a prime (4042327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1315 + ... + 3132.

It is an arithmetic number, because the mean of its divisors is an integer number (491504).

Almost surely, 2^4042323 is an apocalyptic number.

4042323 is a deficient number, since it is larger than the sum of its proper divisors (1855725).

4042323 is a wasteful number, since it uses less digits than its factorization.

4042323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554 (or 4551 counting only the distinct ones).

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

The square root of 4042323 is about 2010.5529090278. The cubic root of 4042323 is about 159.2980052547.

Adding to 4042323 its reverse (3232404), we get a palindrome (7274727).

The spelling of 4042323 in words is "four million, forty-two thousand, three hundred twenty-three".