423034310440 has 64 divisors (see below), whose sum is σ = 1090884360960. Its totient is φ = 144629422080.

The previous prime is 423034310407. The next prime is 423034310473. The reversal of 423034310440 is 44013430324.

It is an interprime number because it is at equal distance from previous prime (423034310407) and next prime (423034310473).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 423034310399 and 423034310408.

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, 2041156 + ... + 2238835.

It is an arithmetic number, because the mean of its divisors is an integer number (17045068140).

Almost surely, 2^423034310440 is an apocalyptic number.

423034310440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423034310440 is an abundant number, since it is smaller than the sum of its proper divisors (667850050520).

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

423034310440 is a wasteful number, since it uses less digits than its factorization.

423034310440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280362 (or 4280358 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 423034310440 its reverse (44013430324), we get a palindrome (467047740764).

The spelling of 423034310440 in words is "four hundred twenty-three billion, thirty-four million, three hundred ten thousand, four hundred forty".