4423431 has 8 divisors (see below), whose sum is σ = 5914224. Its totient is φ = 2940800.

The previous prime is 4423427. The next prime is 4423481. The reversal of 4423431 is 1343244.

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

It is a cyclic number.

It is not a de Polignac number, because 4423431 - 2² = 4423427 is a prime.

It is a super-2 number, since 2×4423431² = 39133483623522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4423398 and 4423407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423411) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 636 + ... + 3041.

It is an arithmetic number, because the mean of its divisors is an integer number (739278).

Almost surely, 2^4423431 is an apocalyptic number.

4423431 is a deficient number, since it is larger than the sum of its proper divisors (1490793).

4423431 is a wasteful number, since it uses less digits than its factorization.

4423431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081.

The product of its digits is 1152, while the sum is 21.

The square root of 4423431 is about 2103.1954260125. The cubic root of 4423431 is about 164.1546107884.

Adding to 4423431 its reverse (1343244), we get a palindrome (5766675).

The spelling of 4423431 in words is "four million, four hundred twenty-three thousand, four hundred thirty-one".