133121323112303 has 4 divisors (see below), whose sum is σ = 133187784084408. Its totient is φ = 133054862140200.

The previous prime is 133121323112269. The next prime is 133121323112311. The reversal of 133121323112303 is 303211323121331.

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

It is a cyclic number.

It is not a de Polignac number, because 133121323112303 - 2⁴⁰ = 132021811484527 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 (133121323112353) 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, 33230483048 + ... + 33230487053.

It is an arithmetic number, because the mean of its divisors is an integer number (33296946021102).

Almost surely, 2^{133121323112303} is an apocalyptic number.

133121323112303 is a deficient number, since it is larger than the sum of its proper divisors (66460972105).

133121323112303 is an equidigital number, since it uses as much as digits as its factorization.

133121323112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66460972104.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 133121323112303 its reverse (303211323121331), we get a palindrome (436332646233634).

The spelling of 133121323112303 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, three hundred twenty-three million, one hundred twelve thousand, three hundred three".