423502006 has 4 divisors (see below), whose sum is σ = 635253012. Its totient is φ = 211751002.

The previous prime is 423501979. The next prime is 423502021. The reversal of 423502006 is 600205324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105875500 + ... + 105875503.

It is an arithmetic number, because the mean of its divisors is an integer number (158813253).

Almost surely, 2^423502006 is an apocalyptic number.

423502006 is a deficient number, since it is larger than the sum of its proper divisors (211751006).

423502006 is a wasteful number, since it uses less digits than its factorization.

423502006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211751005.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 423502006 is about 20579.1643659309. The cubic root of 423502006 is about 750.9629149011.

The spelling of 423502006 in words is "four hundred twenty-three million, five hundred two thousand, six".