4023231 has 8 divisors (see below), whose sum is σ = 5646720. Its totient is φ = 2540952.

The previous prime is 4023223. The next prime is 4023241. The reversal of 4023231 is 1323204.

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

It is not a de Polignac number, because 4023231 - 2³ = 4023223 is a prime.

It is a super-2 number, since 2×4023231² = 32372775358722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4023231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35235 + ... + 35348.

It is an arithmetic number, because the mean of its divisors is an integer number (705840).

Almost surely, 2^4023231 is an apocalyptic number.

4023231 is a deficient number, since it is larger than the sum of its proper divisors (1623489).

4023231 is a wasteful number, since it uses less digits than its factorization.

4023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70605.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 4023231 is about 2005.7993419084. The cubic root of 4023231 is about 159.0468198023.

Adding to 4023231 its reverse (1323204), we get a palindrome (5346435).

The spelling of 4023231 in words is "four million, twenty-three thousand, two hundred thirty-one".