133413212423 has 4 divisors (see below), whose sum is σ = 135600314328. Its totient is φ = 131226110520.

The previous prime is 133413212417. The next prime is 133413212461. The reversal of 133413212423 is 324212314331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324212314331 = 1471 ⋅220402661.

It is a cyclic number.

It is not a de Polignac number, because 133413212423 - 2¹⁴ = 133413196039 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 (133413212623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093550861 + ... + 1093550982.

It is an arithmetic number, because the mean of its divisors is an integer number (33900078582).

Almost surely, 2^133413212423 is an apocalyptic number.

133413212423 is a deficient number, since it is larger than the sum of its proper divisors (2187101905).

133413212423 is an equidigital number, since it uses as much as digits as its factorization.

133413212423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187101904.

The product of its digits is 10368, while the sum is 29.

Adding to 133413212423 its reverse (324212314331), we get a palindrome (457625526754).

The spelling of 133413212423 in words is "one hundred thirty-three billion, four hundred thirteen million, two hundred twelve thousand, four hundred twenty-three".