423442445430 has 64 divisors (see below), whose sum is σ = 1028690627328. Its totient is φ = 111537502080.

The previous prime is 423442445417. The next prime is 423442445449. The reversal of 423442445430 is 34544244324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18242592 + ... + 18265788.

It is an arithmetic number, because the mean of its divisors is an integer number (16073291052).

Almost surely, 2^423442445430 is an apocalyptic number.

423442445430 is an abundant number, since it is smaller than the sum of its proper divisors (605248181898).

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

423442445430 is a wasteful number, since it uses less digits than its factorization.

423442445430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30621.

The product of its (nonzero) digits is 737280, while the sum is 39.

Adding to 423442445430 its reverse (34544244324), we get a palindrome (457986689754).

The spelling of 423442445430 in words is "four hundred twenty-three billion, four hundred forty-two million, four hundred forty-five thousand, four hundred thirty".