2123060456 has 64 divisors (see below), whose sum is σ = 4582656000. Its totient is φ = 911943360.

The previous prime is 2123060441. The next prime is 2123060473. The reversal of 2123060456 is 6540603212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779465 + ... + 782183.

It is an arithmetic number, because the mean of its divisors is an integer number (71604000).

Almost surely, 2^2123060456 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 2123060456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2291328000).

2123060456 is an abundant number, since it is smaller than the sum of its proper divisors (2459595544).

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

2123060456 is a wasteful number, since it uses less digits than its factorization.

2123060456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222 (or 3218 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2123060456 is about 46076.6801755508. The cubic root of 2123060456 is about 1285.2495300866.

Adding to 2123060456 its reverse (6540603212), we get a palindrome (8663663668).

The spelling of 2123060456 in words is "two billion, one hundred twenty-three million, sixty thousand, four hundred fifty-six".