431323404424232 has 16 divisors (see below), whose sum is σ = 808731659284800. Its totient is φ = 215661628614960.

The previous prime is 431323404424207. The next prime is 431323404424247. The reversal of 431323404424232 is 232424404323134.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 431323404424232.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21887057 + ... + 36629087.

It is an arithmetic number, because the mean of its divisors is an integer number (50545728705300).

Almost surely, 2^{431323404424232} is an apocalyptic number.

It is an amenable number.

431323404424232 is a deficient number, since it is larger than the sum of its proper divisors (377408254860568).

431323404424232 is a wasteful number, since it uses less digits than its factorization.

431323404424232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18399296 (or 18399292 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 41.

Adding to 431323404424232 its reverse (232424404323134), we get a palindrome (663747808747366).

The spelling of 431323404424232 in words is "four hundred thirty-one trillion, three hundred twenty-three billion, four hundred four million, four hundred twenty-four thousand, two hundred thirty-two".