3320123456 has 56 divisors (see below), whose sum is σ = 7103373144. Its totient is φ = 1530593280.

The previous prime is 3320123447. The next prime is 3320123473. The reversal of 3320123456 is 6543210233.

It can be written as a sum of positive squares in 4 ways, for example, as 118374400 + 3201749056 = 10880^2 + 56584^2 .

It is a super-2 number, since 2×3320123456² = 22046439526162767872, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957566 + ... + 961026.

It is an arithmetic number, because the mean of its divisors is an integer number (126845949).

Almost surely, 2^3320123456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3320123456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3551686572).

3320123456 is an abundant number, since it is smaller than the sum of its proper divisors (3783249688).

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

3320123456 is a wasteful number, since it uses less digits than its factorization.

3320123456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639 (or 4629 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 3320123456 is about 57620.5124586722. The cubic root of 3320123456 is about 1491.8256761688.

Adding to 3320123456 its reverse (6543210233), we get a palindrome (9863333689).

The spelling of 3320123456 in words is "three billion, three hundred twenty million, one hundred twenty-three thousand, four hundred fifty-six".