423561605344 has 24 divisors (see below), whose sum is σ = 839409349968. Its totient is φ = 210378278400.

The previous prime is 423561605317. The next prime is 423561605351. The reversal of 423561605344 is 443506165324.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 423561605344.

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, 43823977 + ... + 43833640.

It is an arithmetic number, because the mean of its divisors is an integer number (34975389582).

Almost surely, 2^423561605344 is an apocalyptic number.

It is an amenable number.

423561605344 is a deficient number, since it is larger than the sum of its proper divisors (415847744624).

423561605344 is a wasteful number, since it uses less digits than its factorization.

423561605344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87657778 (or 87657770 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 423561605344 in words is "four hundred twenty-three billion, five hundred sixty-one million, six hundred five thousand, three hundred forty-four".