2123768460 has 96 divisors (see below), whose sum is σ = 6696474624. Its totient is φ = 498240000.

The previous prime is 2123768419. The next prime is 2123768467. The reversal of 2123768460 is 648673212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2123768467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31441 + ... + 72360.

It is an arithmetic number, because the mean of its divisors is an integer number (69754944).

Almost surely, 2^2123768460 is an apocalyptic number.

2123768460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123768460 is an abundant number, since it is smaller than the sum of its proper divisors (4572706164).

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

2123768460 is a wasteful number, since it uses less digits than its factorization.

2123768460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103855 (or 103853 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 2123768460 is about 46084.3624237116. The cubic root of 2123768460 is about 1285.3923837160.

The spelling of 2123768460 in words is "two billion, one hundred twenty-three million, seven hundred sixty-eight thousand, four hundred sixty".