423022452144 has 160 divisors (see below), whose sum is σ = 1177067662848. Its totient is φ = 130580736000.

The previous prime is 423022452137. The next prime is 423022452157. The reversal of 423022452144 is 441254220324.

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, 5893914 + ... + 5965254.

Almost surely, 2^423022452144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423022452144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588533831424).

423022452144 is an abundant number, since it is smaller than the sum of its proper divisors (754045210704).

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

423022452144 is a wasteful number, since it uses less digits than its factorization.

423022452144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71547 (or 71541 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 423022452144 its reverse (441254220324), we get a palindrome (864276672468).

The spelling of 423022452144 in words is "four hundred twenty-three billion, twenty-two million, four hundred fifty-two thousand, one hundred forty-four".