113423620 has 12 divisors (see below), whose sum is σ = 238189644. Its totient is φ = 45369440.

The previous prime is 113423617. The next prime is 113423621. The reversal of 113423620 is 26324311.

It can be written as a sum of positive squares in 2 ways, for example, as 61842496 + 51581124 = 7864^2 + 7182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113423591 and 113423600.

It is not an unprimeable number, because it can be changed into a prime (113423621) 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 3 ways as a sum of consecutive naturals, for example, 2835571 + ... + 2835610.

It is an arithmetic number, because the mean of its divisors is an integer number (19849137).

Almost surely, 2^113423620 is an apocalyptic number.

113423620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113423620 is an abundant number, since it is smaller than the sum of its proper divisors (124766024).

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

113423620 is a wasteful number, since it uses less digits than its factorization.

113423620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671190 (or 5671188 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 113423620 is about 10650.0525820298. The cubic root of 113423620 is about 484.0621974573.

Adding to 113423620 its reverse (26324311), we get a palindrome (139747931).

The spelling of 113423620 in words is "one hundred thirteen million, four hundred twenty-three thousand, six hundred twenty".