115423520 has 24 divisors (see below), whose sum is σ = 272688444. Its totient is φ = 46169344.

The previous prime is 115423471. The next prime is 115423547. The reversal of 115423520 is 25324511.

It can be written as a sum of positive squares in 2 ways, for example, as 112614544 + 2808976 = 10612^2 + 1676^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360539 + ... + 360858.

Almost surely, 2^115423520 is an apocalyptic number.

115423520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115423520 is an abundant number, since it is smaller than the sum of its proper divisors (157264924).

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

115423520 is an equidigital number, since it uses as much as digits as its factorization.

115423520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721412 (or 721404 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 115423520 is about 10743.5338692629. The cubic root of 115423520 is about 486.8906539680.

Subtracting from 115423520 its reverse (25324511), we obtain a palindrome (90099009).

The spelling of 115423520 in words is "one hundred fifteen million, four hundred twenty-three thousand, five hundred twenty".