423342442428 has 24 divisors (see below), whose sum is σ = 987811754832. Its totient is φ = 141112329984.

The previous prime is 423342442361. The next prime is 423342442429. The reversal of 423342442428 is 824244243324.

It is a self number, because there is not a number n which added to its sum of digits gives 423342442428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423342442429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015026 + ... + 1370022.

It is an arithmetic number, because the mean of its divisors is an integer number (41158823118).

Almost surely, 2^423342442428 is an apocalyptic number.

It is an amenable number.

423342442428 is an abundant number, since it is smaller than the sum of its proper divisors (564469312404).

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

423342442428 is a wasteful number, since it uses less digits than its factorization.

423342442428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454381 (or 454379 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 42.

The spelling of 423342442428 in words is "four hundred twenty-three billion, three hundred forty-two million, four hundred forty-two thousand, four hundred twenty-eight".