113520233430 has 128 divisors (see below), whose sum is σ = 321012720000. Its totient is φ = 28448243712.

The previous prime is 113520233381. The next prime is 113520233473. The reversal of 113520233430 is 34332025311.

113520233430 is a `hidden beast` number, since 113 + 5 + 202 + 3 + 343 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 113520233394 and 113520233403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3070696 + ... + 3107444.

It is an arithmetic number, because the mean of its divisors is an integer number (2507911875).

Almost surely, 2^113520233430 is an apocalyptic number.

113520233430 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 113520233430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160506360000).

113520233430 is an abundant number, since it is smaller than the sum of its proper divisors (207492486570).

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

113520233430 is a wasteful number, since it uses less digits than its factorization.

113520233430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37455 (or 37449 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 113520233430 its reverse (34332025311), we get a palindrome (147852258741).

The spelling of 113520233430 in words is "one hundred thirteen billion, five hundred twenty million, two hundred thirty-three thousand, four hundred thirty".