4023003323440 has 160 divisors (see below), whose sum is σ = 10072202909184. Its totient is φ = 1488895242240.

The previous prime is 4023003323429. The next prime is 4023003323453. The reversal of 4023003323440 is 443233003204.

4023003323440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4023003323399 and 4023003323408.

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, 33446287 + ... + 33566353.

Almost surely, 2^{4023003323440} is an apocalyptic number.

4023003323440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4023003323440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5036101454592).

4023003323440 is an abundant number, since it is smaller than the sum of its proper divisors (6049199585744).

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

4023003323440 is a wasteful number, since it uses less digits than its factorization.

4023003323440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120515 (or 120509 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 4023003323440 its reverse (443233003204), we get a palindrome (4466236326644).

The spelling of 4023003323440 in words is "four trillion, twenty-three billion, three million, three hundred twenty-three thousand, four hundred forty".