113043420 has 144 divisors (see below), whose sum is σ = 397575360. Its totient is φ = 25463808.

The previous prime is 113043419. The next prime is 113043481. The reversal of 113043420 is 24340311.

It is a super-3 number, since 3×113043420³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113043393 and 113043402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91366 + ... + 92594.

It is an arithmetic number, because the mean of its divisors is an integer number (2760940).

Almost surely, 2^113043420 is an apocalyptic number.

113043420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113043420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198787680).

113043420 is an abundant number, since it is smaller than the sum of its proper divisors (284531940).

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

113043420 is a wasteful number, since it uses less digits than its factorization.

113043420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 113043420 is about 10632.1879215898. The cubic root of 113043420 is about 483.5207274414.

Adding to 113043420 its reverse (24340311), we get a palindrome (137383731).

The spelling of 113043420 in words is "one hundred thirteen million, forty-three thousand, four hundred twenty".