423451421112 has 32 divisors (see below), whose sum is σ = 1059498493200. Its totient is φ = 141034481664.

The previous prime is 423451421093. The next prime is 423451421123. The reversal of 423451421112 is 211124154324.

It is a super-2 number, since 2×423451421112² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423451421112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7219687 + ... + 7278102.

Almost surely, 2^423451421112 is an apocalyptic number.

It is an amenable number.

423451421112 is an abundant number, since it is smaller than the sum of its proper divisors (636047072088).

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

423451421112 is a wasteful number, since it uses less digits than its factorization.

423451421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14499015 (or 14499011 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

Adding to 423451421112 its reverse (211124154324), we get a palindrome (634575575436).

The spelling of 423451421112 in words is "four hundred twenty-three billion, four hundred fifty-one million, four hundred twenty-one thousand, one hundred twelve".