133431433200423 has 32 divisors (see below), whose sum is σ = 209394779281920. Its totient is φ = 83685455441280.

The previous prime is 133431433200419. The next prime is 133431433200449. The reversal of 133431433200423 is 324002334134331.

133431433200423 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 314 + 332 + 0 + 0 + 4 + 2 + 3 = 666.

It is not a de Polignac number, because 133431433200423 - 2² = 133431433200419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133431433202423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61834165 + ... + 63955662.

It is an arithmetic number, because the mean of its divisors is an integer number (6543586852560).

Almost surely, 2^{133431433200423} is an apocalyptic number.

133431433200423 is a deficient number, since it is larger than the sum of its proper divisors (75963346081497).

133431433200423 is a wasteful number, since it uses less digits than its factorization.

133431433200423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125792164 (or 125792158 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 36.

Adding to 133431433200423 its reverse (324002334134331), we get a palindrome (457433767334754).

The spelling of 133431433200423 in words is "one hundred thirty-three trillion, four hundred thirty-one billion, four hundred thirty-three million, two hundred thousand, four hundred twenty-three".