423021033 has 6 divisors (see below), whose sum is σ = 611030394. Its totient is φ = 282014016.

The previous prime is 423021019. The next prime is 423021059. The reversal of 423021033 is 330120324.

423021033 is a `hidden beast` number, since 423 + 0 + 210 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 420578064 + 2442969 = 20508^2 + 1563^2 .

It is not a de Polignac number, because 423021033 - 2⁸ = 423020777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423020997 and 423021015.

It is not an unprimeable number, because it can be changed into a prime (423021733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23501160 + ... + 23501177.

It is an arithmetic number, because the mean of its divisors is an integer number (101838399).

Almost surely, 2^423021033 is an apocalyptic number.

It is an amenable number.

423021033 is a deficient number, since it is larger than the sum of its proper divisors (188009361).

423021033 is a wasteful number, since it uses less digits than its factorization.

423021033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47002343 (or 47002340 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 423021033 is about 20567.4751245747. The cubic root of 423021033 is about 750.6785166351.

Adding to 423021033 its reverse (330120324), we get a palindrome (753141357).

The spelling of 423021033 in words is "four hundred twenty-three million, twenty-one thousand, thirty-three".