423399956606 has 8 divisors (see below), whose sum is σ = 692836292664. Its totient is φ = 192454525720.

The previous prime is 423399956543. The next prime is 423399956611. The reversal of 423399956606 is 606659993324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9622726265 + ... + 9622726308.

It is an arithmetic number, because the mean of its divisors is an integer number (86604536583).

Almost surely, 2^423399956606 is an apocalyptic number.

423399956606 is a deficient number, since it is larger than the sum of its proper divisors (269436336058).

423399956606 is a wasteful number, since it uses less digits than its factorization.

423399956606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19245452586.

The product of its (nonzero) digits is 56687040, while the sum is 62.

The spelling of 423399956606 in words is "four hundred twenty-three billion, three hundred ninety-nine million, nine hundred fifty-six thousand, six hundred six".