423193506 has 16 divisors (see below), whose sum is σ = 851994048. Its totient is φ = 140130000.

The previous prime is 423193501. The next prime is 423193559. The reversal of 423193506 is 605391324.

It is not an unprimeable number, because it can be changed into a prime (423193501) 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, 232645 + ... + 234456.

It is an arithmetic number, because the mean of its divisors is an integer number (53249628).

Almost surely, 2^423193506 is an apocalyptic number.

423193506 is an abundant number, since it is smaller than the sum of its proper divisors (428800542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423193506 is a wasteful number, since it uses less digits than its factorization.

423193506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467257.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 423193506 is about 20571.6675551595. The cubic root of 423193506 is about 750.7805243162.

The spelling of 423193506 in words is "four hundred twenty-three million, one hundred ninety-three thousand, five hundred six".