431023423 has 8 divisors (see below), whose sum is σ = 457500960. Its totient is φ = 404670720.

The previous prime is 431023421. The next prime is 431023429. The reversal of 431023423 is 324320134.

It is a happy number.

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

It is not a de Polignac number, because 431023423 - 2¹ = 431023421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431023394 and 431023403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431023421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24043 + ... + 37948.

It is an arithmetic number, because the mean of its divisors is an integer number (57187620).

Almost surely, 2^431023423 is an apocalyptic number.

431023423 is a deficient number, since it is larger than the sum of its proper divisors (26477537).

431023423 is a wasteful number, since it uses less digits than its factorization.

431023423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62417.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 431023423 is about 20761.1036074675. The cubic root of 431023423 is about 755.3825659378.

Adding to 431023423 its reverse (324320134), we get a palindrome (755343557).

The spelling of 431023423 in words is "four hundred thirty-one million, twenty-three thousand, four hundred twenty-three".