13823809560 has 144 divisors (see below), whose sum is σ = 49383144720. Its totient is φ = 3351216000.

The previous prime is 13823809543. The next prime is 13823809561. The reversal of 13823809560 is 6590832831.

It is a happy number.

13823809560 is a `hidden beast` number, since 1 + 3 + 8 + 2 + 3 + 80 + 9 + 560 = 666.

It is a super-2 number, since 2×13823809560² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13823809561) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 115116 + ... + 202235.

It is an arithmetic number, because the mean of its divisors is an integer number (342938505).

Almost surely, 2^13823809560 is an apocalyptic number.

13823809560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13823809560 is an abundant number, since it is smaller than the sum of its proper divisors (35559335160).

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

13823809560 is a wasteful number, since it uses less digits than its factorization.

13823809560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317390 (or 317372 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 13823809560 in words is "thirteen billion, eight hundred twenty-three million, eight hundred nine thousand, five hundred sixty".