133423231432 has 16 divisors (see below), whose sum is σ = 250285328640. Its totient is φ = 66680477136.

The previous prime is 133423231391. The next prime is 133423231483. The reversal of 133423231432 is 234132324331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 133423231394 and 133423231403.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3874108 + ... + 3908395.

It is an arithmetic number, because the mean of its divisors is an integer number (15642833040).

Almost surely, 2^133423231432 is an apocalyptic number.

It is an amenable number.

133423231432 is a deficient number, since it is larger than the sum of its proper divisors (116862097208).

133423231432 is a wasteful number, since it uses less digits than its factorization.

133423231432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784652 (or 7784648 counting only the distinct ones).

The product of its digits is 31104, while the sum is 31.

Adding to 133423231432 its reverse (234132324331), we get a palindrome (367555555763).

The spelling of 133423231432 in words is "one hundred thirty-three billion, four hundred twenty-three million, two hundred thirty-one thousand, four hundred thirty-two".