115223280 has 160 divisors (see below), whose sum is σ = 390832128. Its totient is φ = 27955200.

The previous prime is 115223279. The next prime is 115223299. The reversal of 115223280 is 82322511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 115223280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126025 + ... + 126935.

Almost surely, 2^115223280 is an apocalyptic number.

115223280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115223280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195416064).

115223280 is an abundant number, since it is smaller than the sum of its proper divisors (275608848).

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

115223280 is a wasteful number, since it uses less digits than its factorization.

115223280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 115223280 is about 10734.2107301841. The cubic root of 115223280 is about 486.6089337490.

Adding to 115223280 its reverse (82322511), we get a palindrome (197545791).

The spelling of 115223280 in words is "one hundred fifteen million, two hundred twenty-three thousand, two hundred eighty".