431323353 has 16 divisors (see below), whose sum is σ = 639408960. Its totient is φ = 287363808.

The previous prime is 431323307. The next prime is 431323363. The reversal of 431323353 is 353323134.

It is a happy number.

It is not a de Polignac number, because 431323353 - 2¹⁴ = 431306969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (431323363) 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 15 ways as a sum of consecutive naturals, for example, 47301 + ... + 55677.

It is an arithmetic number, because the mean of its divisors is an integer number (39963060).

Almost surely, 2^431323353 is an apocalyptic number.

It is an amenable number.

431323353 is a deficient number, since it is larger than the sum of its proper divisors (208085607).

431323353 is a wasteful number, since it uses less digits than its factorization.

431323353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10293 (or 10287 counting only the distinct ones).

The product of its digits is 9720, while the sum is 27.

The square root of 431323353 is about 20768.3257148957. The cubic root of 431323353 is about 755.5577376723.

Adding to 431323353 its reverse (353323134), we get a palindrome (784646487).

The spelling of 431323353 in words is "four hundred thirty-one million, three hundred twenty-three thousand, three hundred fifty-three".