431123303 has 8 divisors (see below), whose sum is σ = 470164800. Its totient is φ = 392921568.

The previous prime is 431123299. The next prime is 431123311. The reversal of 431123303 is 303321134.

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

It is not a de Polignac number, because 431123303 - 2² = 431123299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431123393) 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, 208868 + ... + 210921.

It is an arithmetic number, because the mean of its divisors is an integer number (58770600).

Almost surely, 2^431123303 is an apocalyptic number.

431123303 is a deficient number, since it is larger than the sum of its proper divisors (39041497).

431123303 is a wasteful number, since it uses less digits than its factorization.

431123303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419881.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 431123303 is about 20763.5089279245. The cubic root of 431123303 is about 755.4409090809.

Adding to 431123303 its reverse (303321134), we get a palindrome (734444437).

The spelling of 431123303 in words is "four hundred thirty-one million, one hundred twenty-three thousand, three hundred three".