133453422423 has 16 divisors (see below), whose sum is σ = 209338702560. Its totient is φ = 83735480448.

The previous prime is 133453422407. The next prime is 133453422449. The reversal of 133453422423 is 324224354331.

133453422423 is a `hidden beast` number, since 1 + 33 + 45 + 342 + 242 + 3 = 666.

It is not a de Polignac number, because 133453422423 - 2⁴ = 133453422407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133453422523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145373640 + ... + 145374557.

It is an arithmetic number, because the mean of its divisors is an integer number (13083668910).

Almost surely, 2^133453422423 is an apocalyptic number.

133453422423 is a deficient number, since it is larger than the sum of its proper divisors (75885280137).

133453422423 is a wasteful number, since it uses less digits than its factorization.

133453422423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290748223 (or 290748217 counting only the distinct ones).

The product of its digits is 207360, while the sum is 36.

Adding to 133453422423 its reverse (324224354331), we get a palindrome (457677776754).

The spelling of 133453422423 in words is "one hundred thirty-three billion, four hundred fifty-three million, four hundred twenty-two thousand, four hundred twenty-three".