423506133 has 12 divisors (see below), whose sum is σ = 612432288. Its totient is φ = 282013800.

The previous prime is 423506119. The next prime is 423506137. The reversal of 423506133 is 331605324.

It is a happy number.

423506133 is a `hidden beast` number, since 4 + 23 + 506 + 133 = 666.

It is not a de Polignac number, because 423506133 - 2¹³ = 423497941 is a prime.

It is a super-2 number, since 2×423506133² = 358714889377227378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423506097 and 423506106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423506137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18543 + ... + 34508.

It is an arithmetic number, because the mean of its divisors is an integer number (51036024).

Almost surely, 2^423506133 is an apocalyptic number.

It is an amenable number.

423506133 is a deficient number, since it is larger than the sum of its proper divisors (188926155).

423506133 is a wasteful number, since it uses less digits than its factorization.

423506133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53944 (or 53941 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 423506133 is about 20579.2646370078. The cubic root of 423506133 is about 750.9653542551.

The spelling of 423506133 in words is "four hundred twenty-three million, five hundred six thousand, one hundred thirty-three".