4023142 has 8 divisors (see below), whose sum is σ = 6079176. Its totient is φ = 1996752.

The previous prime is 4023127. The next prime is 4023161. The reversal of 4023142 is 2413204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7068 + ... + 7615.

It is an arithmetic number, because the mean of its divisors is an integer number (759897).

Almost surely, 2^4023142 is an apocalyptic number.

4023142 is a deficient number, since it is larger than the sum of its proper divisors (2056034).

4023142 is a wasteful number, since it uses less digits than its factorization.

4023142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14822.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4023142 is about 2005.7771561168. Note that the first 3 decimals coincide. The cubic root of 4023142 is about 159.0456470077.

Adding to 4023142 its reverse (2413204), we get a palindrome (6436346).

The spelling of 4023142 in words is "four million, twenty-three thousand, one hundred forty-two".