115523430 has 64 divisors (see below), whose sum is σ = 303775488. Its totient is φ = 27884160.

The previous prime is 115523417. The next prime is 115523519. The reversal of 115523430 is 34325511.

It is a self number, because there is not a number n which added to its sum of digits gives 115523430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92772 + ... + 94008.

It is an arithmetic number, because the mean of its divisors is an integer number (4746492).

Almost surely, 2^115523430 is an apocalyptic number.

115523430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115523430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151887744).

115523430 is an abundant number, since it is smaller than the sum of its proper divisors (188252058).

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

115523430 is a wasteful number, since it uses less digits than its factorization.

115523430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 115523430 is about 10748.1826370787. The cubic root of 115523430 is about 487.0310967948.

Adding to 115523430 its reverse (34325511), we get a palindrome (149848941).

The spelling of 115523430 in words is "one hundred fifteen million, five hundred twenty-three thousand, four hundred thirty".