133434252423 has 16 divisors (see below), whose sum is σ = 198139046400. Its totient is φ = 88749765720.

The previous prime is 133434252389. The next prime is 133434252433. The reversal of 133434252423 is 324252434331.

133434252423 is a `hidden beast` number, since 1 + 33 + 43 + 42 + 524 + 23 = 666.

It is not a de Polignac number, because 133434252423 - 2⁹ = 133434251911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133434252433) 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, 5721553 + ... + 5744826.

It is an arithmetic number, because the mean of its divisors is an integer number (12383690400).

Almost surely, 2^133434252423 is an apocalyptic number.

133434252423 is a deficient number, since it is larger than the sum of its proper divisors (64704793977).

133434252423 is a wasteful number, since it uses less digits than its factorization.

133434252423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11466819 (or 11466813 counting only the distinct ones).

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

Adding to 133434252423 its reverse (324252434331), we get a palindrome (457686686754).

The spelling of 133434252423 in words is "one hundred thirty-three billion, four hundred thirty-four million, two hundred fifty-two thousand, four hundred twenty-three".