423502133 has 4 divisors (see below), whose sum is σ = 423781728. Its totient is φ = 423222540.

The previous prime is 423502091. The next prime is 423502159. The reversal of 423502133 is 331205324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423502133 - 2⁶ = 423502069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423502099 and 423502108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423502733) 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, 137513 + ... + 140558.

It is an arithmetic number, because the mean of its divisors is an integer number (105945432).

Almost surely, 2^423502133 is an apocalyptic number.

It is an amenable number.

423502133 is a deficient number, since it is larger than the sum of its proper divisors (279595).

423502133 is a wasteful number, since it uses less digits than its factorization.

423502133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279594.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 423502133 is about 20579.1674515759. The cubic root of 423502133 is about 750.9629899675.

Adding to 423502133 its reverse (331205324), we get a palindrome (754707457).

The spelling of 423502133 in words is "four hundred twenty-three million, five hundred two thousand, one hundred thirty-three".