4233431 has 4 divisors (see below), whose sum is σ = 4323552. Its totient is φ = 4143312.

The previous prime is 4233421. The next prime is 4233433. The reversal of 4233431 is 1343324.

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

It is a cyclic number.

It is not a de Polignac number, because 4233431 - 2⁶ = 4233367 is a prime.

It is a super-2 number, since 2×4233431² = 35843876063522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4233433) 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, 44990 + ... + 45083.

It is an arithmetic number, because the mean of its divisors is an integer number (1080888).

Almost surely, 2^4233431 is an apocalyptic number.

4233431 is a deficient number, since it is larger than the sum of its proper divisors (90121).

4233431 is an equidigital number, since it uses as much as digits as its factorization.

4233431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90120.

The product of its digits is 864, while the sum is 20.

The square root of 4233431 is about 2057.5303156940. The cubic root of 4233431 is about 161.7698173799.

Adding to 4233431 its reverse (1343324), we get a palindrome (5576755).

It can be divided in two parts, 4233 and 431, that added together give a palindrome (4664).

The spelling of 4233431 in words is "four million, two hundred thirty-three thousand, four hundred thirty-one".