133423243042 has 24 divisors (see below), whose sum is σ = 207838872000. Its totient is φ = 64235029320.

The previous prime is 133423243039. The next prime is 133423243091. The reversal of 133423243042 is 240342324331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 133423242995 and 133423243013.

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 11 ways as a sum of consecutive naturals, for example, 208059 + ... + 556897.

It is an arithmetic number, because the mean of its divisors is an integer number (8659953000).

Almost surely, 2^133423243042 is an apocalyptic number.

133423243042 is a deficient number, since it is larger than the sum of its proper divisors (74415628958).

133423243042 is a wasteful number, since it uses less digits than its factorization.

133423243042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349102 (or 349071 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 133423243042 its reverse (240342324331), we get a palindrome (373765567373).

The spelling of 133423243042 in words is "one hundred thirty-three billion, four hundred twenty-three million, two hundred forty-three thousand, forty-two".