133023111442 has 8 divisors (see below), whose sum is σ = 214883487756. Its totient is φ = 61395282192.

The previous prime is 133023111439. The next prime is 133023111479. The reversal of 133023111442 is 244111320331.

It can be written as a sum of positive squares in 2 ways, for example, as 130285624401 + 2737487041 = 360951^2 + 52321^2 .

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

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, 2558136733 + ... + 2558136784.

Almost surely, 2^133023111442 is an apocalyptic number.

133023111442 is a deficient number, since it is larger than the sum of its proper divisors (81860376314).

133023111442 is a wasteful number, since it uses less digits than its factorization.

133023111442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116273532.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 133023111442 its reverse (244111320331), we get a palindrome (377134431773).

The spelling of 133023111442 in words is "one hundred thirty-three billion, twenty-three million, one hundred eleven thousand, four hundred forty-two".