423330321044 has 24 divisors (see below), whose sum is σ = 754853420160. Its totient is φ = 207658417824.

The previous prime is 423330320993. The next prime is 423330321049. The reversal of 423330321044 is 440123033324.

It is a super-2 number, since 2×423330321044² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423330320998 and 423330321016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423330321049) 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, 3906497 + ... + 4013399.

It is an arithmetic number, because the mean of its divisors is an integer number (31452225840).

Almost surely, 2^423330321044 is an apocalyptic number.

It is an amenable number.

423330321044 is a deficient number, since it is larger than the sum of its proper divisors (331523099116).

423330321044 is a wasteful number, since it uses less digits than its factorization.

423330321044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125639 (or 125637 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 423330321044 its reverse (440123033324), we get a palindrome (863453354368).

The spelling of 423330321044 in words is "four hundred twenty-three billion, three hundred thirty million, three hundred twenty-one thousand, forty-four".