423220035 has 32 divisors (see below), whose sum is σ = 777254400. Its totient is φ = 192630528.

The previous prime is 423220027. The next prime is 423220037. The reversal of 423220035 is 530022324.

It is not a de Polignac number, because 423220035 - 2³ = 423220027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 423219993 and 423220020.

It is not an unprimeable number, because it can be changed into a prime (423220037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15816 + ... + 33114.

It is an arithmetic number, because the mean of its divisors is an integer number (24289200).

Almost surely, 2^423220035 is an apocalyptic number.

423220035 is a deficient number, since it is larger than the sum of its proper divisors (354034365).

423220035 is a wasteful number, since it uses less digits than its factorization.

423220035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17547.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 423220035 is about 20572.3123396472. The cubic root of 423220035 is about 750.7962122068.

Adding to 423220035 its reverse (530022324), we get a palindrome (953242359).

The spelling of 423220035 in words is "four hundred twenty-three million, two hundred twenty thousand, thirty-five".