113232438 has 128 divisors (see below), whose sum is σ = 294912000. Its totient is φ = 31842720.

The previous prime is 113232437. The next prime is 113232439. The reversal of 113232438 is 834232311.

It is an interprime number because it is at equal distance from previous prime (113232437) and next prime (113232439).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113232437) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 891531 + ... + 891657.

It is an arithmetic number, because the mean of its divisors is an integer number (2304000).

Almost surely, 2^113232438 is an apocalyptic number.

113232438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113232438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147456000).

113232438 is an abundant number, since it is smaller than the sum of its proper divisors (181679562).

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

113232438 is a wasteful number, since it uses less digits than its factorization.

113232438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 241 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 113232438 is about 10641.0731601658. The cubic root of 113232438 is about 483.7900729979.

Adding to 113232438 its reverse (834232311), we get a palindrome (947464749).

The spelling of 113232438 in words is "one hundred thirteen million, two hundred thirty-two thousand, four hundred thirty-eight".