133213300123 has 4 divisors (see below), whose sum is σ = 133417302768. Its totient is φ = 133009297480.

The previous prime is 133213300093. The next prime is 133213300141. The reversal of 133213300123 is 321003312331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321003312331 = 13 ⋅24692562487.

It is a cyclic number.

It is not a de Polignac number, because 133213300123 - 2¹³ = 133213291931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133213300094 and 133213300103.

It is not an unprimeable number, because it can be changed into a prime (133213300163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102000343 + ... + 102001648.

It is an arithmetic number, because the mean of its divisors is an integer number (33354325692).

Almost surely, 2^133213300123 is an apocalyptic number.

133213300123 is a deficient number, since it is larger than the sum of its proper divisors (204002645).

133213300123 is an equidigital number, since it uses as much as digits as its factorization.

133213300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204002644.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 133213300123 its reverse (321003312331), we get a palindrome (454216612454).

The spelling of 133213300123 in words is "one hundred thirty-three billion, two hundred thirteen million, three hundred thousand, one hundred twenty-three".