113023020 has 96 divisors (see below), whose sum is σ = 363444480. Its totient is φ = 25954560.

The previous prime is 113023007. The next prime is 113023051. The reversal of 113023020 is 20320311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 113022987 and 113023005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8034 + ... + 17046.

It is an arithmetic number, because the mean of its divisors is an integer number (3785880).

Almost surely, 2^113023020 is an apocalyptic number.

113023020 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 113023020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181722240).

113023020 is an abundant number, since it is smaller than the sum of its proper divisors (250421460).

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

113023020 is a wasteful number, since it uses less digits than its factorization.

113023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9055 (or 9053 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 113023020 is about 10631.2285273152. The cubic root of 113023020 is about 483.4916400451.

Adding to 113023020 its reverse (20320311), we get a palindrome (133343331).

The spelling of 113023020 in words is "one hundred thirteen million, twenty-three thousand, twenty".