423340020312 has 64 divisors (see below), whose sum is σ = 1222479216000. Its totient is φ = 120738685440.

The previous prime is 423340020283. The next prime is 423340020437. The reversal of 423340020312 is 213020043324.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47159062 + ... + 47168037.

It is an arithmetic number, because the mean of its divisors is an integer number (19101237750).

Almost surely, 2^423340020312 is an apocalyptic number.

It is an amenable number.

423340020312 is an abundant number, since it is smaller than the sum of its proper divisors (799139195688).

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

423340020312 is a wasteful number, since it uses less digits than its factorization.

423340020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94327136 (or 94327132 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 423340020312 its reverse (213020043324), we get a palindrome (636360063636).

The spelling of 423340020312 in words is "four hundred twenty-three billion, three hundred forty million, twenty thousand, three hundred twelve".