133223303242 has 8 divisors (see below), whose sum is σ = 200546112132. Its totient is φ = 66374599200.

The previous prime is 133223303201. The next prime is 133223303267. The reversal of 133223303242 is 242303322331.

It can be written as a sum of positive squares in 2 ways, for example, as 132866811081 + 356492161 = 364509^2 + 18881^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 133223303242.

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, 118525509 + ... + 118526632.

Almost surely, 2^133223303242 is an apocalyptic number.

133223303242 is a deficient number, since it is larger than the sum of its proper divisors (67322808890).

133223303242 is a wasteful number, since it uses less digits than its factorization.

133223303242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237052424.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 133223303242 its reverse (242303322331), we get a palindrome (375526625573).

The spelling of 133223303242 in words is "one hundred thirty-three billion, two hundred twenty-three million, three hundred three thousand, two hundred forty-two".