423220658 has 16 divisors (see below), whose sum is σ = 725803200. Its totient is φ = 181309776.

The previous prime is 423220657. The next prime is 423220669. The reversal of 423220658 is 856022324.

It is not an unprimeable number, because it can be changed into a prime (423220657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49268 + ... + 57216.

It is an arithmetic number, because the mean of its divisors is an integer number (45362700).

Almost surely, 2^423220658 is an apocalyptic number.

423220658 is a deficient number, since it is larger than the sum of its proper divisors (302582542).

423220658 is a wasteful number, since it uses less digits than its factorization.

423220658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11761.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 423220658 is about 20572.3274813522. The cubic root of 423220658 is about 750.7965806092.

The spelling of 423220658 in words is "four hundred twenty-three million, two hundred twenty thousand, six hundred fifty-eight".