133213214423 has 4 divisors (see below), whose sum is σ = 133214876808. Its totient is φ = 133211552040.

The previous prime is 133213214413. The next prime is 133213214443. The reversal of 133213214423 is 324412312331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324412312331 = 31 ⋅10464913301.

It is a cyclic number.

It is not a de Polignac number, because 133213214423 - 2²⁴ = 133196437207 is a prime.

It is a super-4 number, since 4×133213214423⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133213214413) 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, 704561 + ... + 873402.

It is an arithmetic number, because the mean of its divisors is an integer number (33303719202).

Almost surely, 2^133213214423 is an apocalyptic number.

133213214423 is a deficient number, since it is larger than the sum of its proper divisors (1662385).

133213214423 is an equidigital number, since it uses as much as digits as its factorization.

133213214423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662384.

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

Adding to 133213214423 its reverse (324412312331), we get a palindrome (457625526754).

The spelling of 133213214423 in words is "one hundred thirty-three billion, two hundred thirteen million, two hundred fourteen thousand, four hundred twenty-three".