113643424 has 24 divisors (see below), whose sum is σ = 223997508. Its totient is φ = 56755200.

The previous prime is 113643421. The next prime is 113643449. The reversal of 113643424 is 424346311.

It can be written as a sum of positive squares in 2 ways, for example, as 83393424 + 30250000 = 9132^2 + 5500^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113643392 and 113643401.

It is not an unprimeable number, because it can be changed into a prime (113643421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36954 + ... + 39910.

Almost surely, 2^113643424 is an apocalyptic number.

It is an amenable number.

113643424 is a deficient number, since it is larger than the sum of its proper divisors (110354084).

113643424 is a wasteful number, since it uses less digits than its factorization.

113643424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168 (or 4160 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 113643424 is about 10660.3669730455. The cubic root of 113643424 is about 484.3746842537.

Adding to 113643424 its reverse (424346311), we get a palindrome (537989735).

The spelling of 113643424 in words is "one hundred thirteen million, six hundred forty-three thousand, four hundred twenty-four".