133121032310323 has 4 divisors (see below), whose sum is σ = 133121577455968. Its totient is φ = 133120487164680.

The previous prime is 133121032310291. The next prime is 133121032310359. The reversal of 133121032310323 is 323013230121331.

It is a happy number.

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 133121032310323 - 2⁵ = 133121032310291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133121032310291 and 133121032310300.

It is not an unprimeable number, because it can be changed into a prime (133121032317323) 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, 272206368 + ... + 272694973.

It is an arithmetic number, because the mean of its divisors is an integer number (33280394363992).

Almost surely, 2^{133121032310323} is an apocalyptic number.

133121032310323 is a deficient number, since it is larger than the sum of its proper divisors (545145645).

133121032310323 is an equidigital number, since it uses as much as digits as its factorization.

133121032310323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545145644.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 133121032310323 its reverse (323013230121331), we get a palindrome (456134262431654).

The spelling of 133121032310323 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, thirty-two million, three hundred ten thousand, three hundred twenty-three".