423446664635 has 16 divisors (see below), whose sum is σ = 513537216192. Its totient is φ = 335175523200.

The previous prime is 423446664631. The next prime is 423446664647. The reversal of 423446664635 is 536466644324.

It is not a de Polignac number, because 423446664635 - 2² = 423446664631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423446664631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009271 + ... + 1365840.

It is an arithmetic number, because the mean of its divisors is an integer number (32096076012).

Almost surely, 2^423446664635 is an apocalyptic number.

423446664635 is a deficient number, since it is larger than the sum of its proper divisors (90090551557).

423446664635 is a wasteful number, since it uses less digits than its factorization.

423446664635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375494.

The product of its digits is 29859840, while the sum is 53.

The spelling of 423446664635 in words is "four hundred twenty-three billion, four hundred forty-six million, six hundred sixty-four thousand, six hundred thirty-five".