115723044220 has 36 divisors (see below), whose sum is σ = 282694867560. Its totient is φ = 39676471968.

The previous prime is 115723044187. The next prime is 115723044223. The reversal of 115723044220 is 22440327511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115723044223) 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 11 ways as a sum of consecutive naturals, for example, 59041390 + ... + 59043349.

It is an arithmetic number, because the mean of its divisors is an integer number (7852635210).

Almost surely, 2^115723044220 is an apocalyptic number.

115723044220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115723044220 is an abundant number, since it is smaller than the sum of its proper divisors (166971823340).

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

115723044220 is a wasteful number, since it uses less digits than its factorization.

115723044220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118084762 (or 118084753 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 115723044220 in words is "one hundred fifteen billion, seven hundred twenty-three million, forty-four thousand, two hundred twenty".