423502022 has 16 divisors (see below), whose sum is σ = 665083440. Its totient is φ = 201983712.

The previous prime is 423502021. The next prime is 423502031. The reversal of 423502022 is 220205324.

It is a junction number, because it is equal to n+sod(n) for n = 423501985 and 423502003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423502021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39173 + ... + 48800.

It is an arithmetic number, because the mean of its divisors is an integer number (41567715).

Almost surely, 2^423502022 is an apocalyptic number.

423502022 is a deficient number, since it is larger than the sum of its proper divisors (241581418).

423502022 is a wasteful number, since it uses less digits than its factorization.

423502022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88087.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 423502022 is about 20579.1647546736. The cubic root of 423502022 is about 750.9629243583.

Adding to 423502022 its reverse (220205324), we get a palindrome (643707346).

The spelling of 423502022 in words is "four hundred twenty-three million, five hundred two thousand, twenty-two".