11823868540320 has 48 divisors (see below), whose sum is σ = 37245185903520. Its totient is φ = 3153031610624.

The previous prime is 11823868540313. The next prime is 11823868540321. The reversal of 11823868540320 is 2304586832811.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (11823868540321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12316529250 + ... + 12316530209.

It is an arithmetic number, because the mean of its divisors is an integer number (775941372990).

Almost surely, 2^{11823868540320} is an apocalyptic number.

11823868540320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11823868540320 is an abundant number, since it is smaller than the sum of its proper divisors (25421317363200).

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

11823868540320 is a wasteful number, since it uses less digits than its factorization.

11823868540320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24633059477 (or 24633059469 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 11823868540320 in words is "eleven trillion, eight hundred twenty-three billion, eight hundred sixty-eight million, five hundred forty thousand, three hundred twenty".