115223400 has 72 divisors (see below), whose sum is σ = 386964630. Its totient is φ = 30725760.

The previous prime is 115223389. The next prime is 115223441. The reversal of 115223400 is 4322511.

It can be written as a sum of positive squares in 3 ways, for example, as 112656996 + 2566404 = 10614^2 + 1602^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30207 + ... + 33806.

Almost surely, 2^115223400 is an apocalyptic number.

115223400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115223400 is an abundant number, since it is smaller than the sum of its proper divisors (271741230).

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

115223400 is a wasteful number, since it uses less digits than its factorization.

115223400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64035 (or 64023 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 115223400 is about 10734.2163197879. The cubic root of 115223400 is about 486.6091026763.

Adding to 115223400 its reverse (4322511), we get a palindrome (119545911).

The spelling of 115223400 in words is "one hundred fifteen million, two hundred twenty-three thousand, four hundred".