423021035 has 16 divisors (see below), whose sum is σ = 536405760. Its totient is φ = 319367520.

The previous prime is 423021019. The next prime is 423021059. The reversal of 423021035 is 530120324.

It is a happy number.

It is not a de Polignac number, because 423021035 - 2⁴ = 423021019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423020998 and 423021016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16520 + ... + 33450.

It is an arithmetic number, because the mean of its divisors is an integer number (33525360).

Almost surely, 2^423021035 is an apocalyptic number.

423021035 is a deficient number, since it is larger than the sum of its proper divisors (113384725).

423021035 is a wasteful number, since it uses less digits than its factorization.

423021035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17218.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 423021035 is about 20567.4751731952. The cubic root of 423021035 is about 750.6785178182.

Adding to 423021035 its reverse (530120324), we get a palindrome (953141359).

The spelling of 423021035 in words is "four hundred twenty-three million, twenty-one thousand, thirty-five".