133404035423 has 4 divisors (see below), whose sum is σ = 133405157208. Its totient is φ = 133402913640.

The previous prime is 133404035389. The next prime is 133404035449. The reversal of 133404035423 is 324530404331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 133404035423 - 2¹⁰ = 133404034399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133404035423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133404035123) 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, 358061 + ... + 628502.

It is an arithmetic number, because the mean of its divisors is an integer number (33351289302).

Almost surely, 2^133404035423 is an apocalyptic number.

133404035423 is a deficient number, since it is larger than the sum of its proper divisors (1121785).

133404035423 is an equidigital number, since it uses as much as digits as its factorization.

133404035423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121784.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 133404035423 its reverse (324530404331), we get a palindrome (457934439754).

The spelling of 133404035423 in words is "one hundred thirty-three billion, four hundred four million, thirty-five thousand, four hundred twenty-three".