133442104355023 has 4 divisors (see below), whose sum is σ = 133443125614288. Its totient is φ = 133441083095760.

The previous prime is 133442104354973. The next prime is 133442104355029. The reversal of 133442104355023 is 320553401244331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133442104355023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133442104355029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510433611 + ... + 510694972.

It is an arithmetic number, because the mean of its divisors is an integer number (33360781403572).

Almost surely, 2^{133442104355023} is an apocalyptic number.

133442104355023 is a deficient number, since it is larger than the sum of its proper divisors (1021259265).

133442104355023 is a wasteful number, since it uses less digits than its factorization.

133442104355023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021259264.

The product of its (nonzero) digits is 518400, while the sum is 40.

Adding to 133442104355023 its reverse (320553401244331), we get a palindrome (453995505599354).

The spelling of 133442104355023 in words is "one hundred thirty-three trillion, four hundred forty-two billion, one hundred four million, three hundred fifty-five thousand, twenty-three".