431344031423 has 8 divisors (see below), whose sum is σ = 456833878992. Its totient is φ = 405867147136.

The previous prime is 431344031387. The next prime is 431344031471. The reversal of 431344031423 is 324130443134.

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 431344031423 - 2¹² = 431344027327 is a prime.

It is a super-2 number, since 2×431344031423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431344031423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431344081423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3172265 + ... + 3305442.

It is an arithmetic number, because the mean of its divisors is an integer number (57104234874).

Almost surely, 2^431344031423 is an apocalyptic number.

431344031423 is a deficient number, since it is larger than the sum of its proper divisors (25489847569).

431344031423 is a wasteful number, since it uses less digits than its factorization.

431344031423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6481641.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 431344031423 its reverse (324130443134), we get a palindrome (755474474557).

The spelling of 431344031423 in words is "four hundred thirty-one billion, three hundred forty-four million, thirty-one thousand, four hundred twenty-three".