113143422 has 16 divisors (see below), whose sum is σ = 258613632. Its totient is φ = 32326680.

The previous prime is 113143409. The next prime is 113143427. The reversal of 113143422 is 224341311.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113143427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346904 + ... + 1346987.

It is an arithmetic number, because the mean of its divisors is an integer number (16163352).

Almost surely, 2^113143422 is an apocalyptic number.

113143422 is an abundant number, since it is smaller than the sum of its proper divisors (145470210).

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

113143422 is a wasteful number, since it uses less digits than its factorization.

113143422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693903.

The product of its digits is 576, while the sum is 21.

The square root of 113143422 is about 10636.8896769685. The cubic root of 113143422 is about 483.6632649682.

Adding to 113143422 its reverse (224341311), we get a palindrome (337484733).

The spelling of 113143422 in words is "one hundred thirteen million, one hundred forty-three thousand, four hundred twenty-two".