113443420 has 24 divisors (see below), whose sum is σ = 238442400. Its totient is φ = 45337152.

The previous prime is 113443403. The next prime is 113443423. The reversal of 113443420 is 24344311.

It is a junction number, because it is equal to n+sod(n) for n = 113443391 and 113443400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113443423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32521 + ... + 35839.

It is an arithmetic number, because the mean of its divisors is an integer number (9935100).

Almost surely, 2^113443420 is an apocalyptic number.

113443420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113443420 is an abundant number, since it is smaller than the sum of its proper divisors (124998980).

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

113443420 is a wasteful number, since it uses less digits than its factorization.

113443420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037 (or 5035 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 113443420 is about 10650.9821143404. The cubic root of 113443420 is about 484.0903628837.

Adding to 113443420 its reverse (24344311), we get a palindrome (137787731).

The spelling of 113443420 in words is "one hundred thirteen million, four hundred forty-three thousand, four hundred twenty".