23828618775820 has 48 divisors (see below), whose sum is σ = 50060595610368. Its totient is φ = 9527544331200.

The previous prime is 23828618775803. The next prime is 23828618775823. The reversal of 23828618775820 is 2857781682832.

It is a super-2 number, since 2×23828618775820² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23828618775823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558248199 + ... + 558290881.

It is an arithmetic number, because the mean of its divisors is an integer number (1042929075216).

Almost surely, 2^{23828618775820} is an apocalyptic number.

23828618775820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23828618775820 is an abundant number, since it is smaller than the sum of its proper divisors (26231976834548).

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

23828618775820 is a wasteful number, since it uses less digits than its factorization.

23828618775820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53470 (or 53468 counting only the distinct ones).

The product of its (nonzero) digits is 144506880, while the sum is 67.

The spelling of 23828618775820 in words is "twenty-three trillion, eight hundred twenty-eight billion, six hundred eighteen million, seven hundred seventy-five thousand, eight hundred twenty".