1112543423 has 8 divisors (see below), whose sum is σ = 1171547520. Its totient is φ = 1053584280.

The previous prime is 1112543401. The next prime is 1112543431. The reversal of 1112543423 is 3243452111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112543423 - 2¹² = 1112539327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112543392 and 1112543401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112543473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47486 + ... + 66932.

It is an arithmetic number, because the mean of its divisors is an integer number (146443440).

Almost surely, 2^1112543423 is an apocalyptic number.

1112543423 is a deficient number, since it is larger than the sum of its proper divisors (59004097).

1112543423 is a wasteful number, since it uses less digits than its factorization.

1112543423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22477.

The product of its digits is 2880, while the sum is 26.

The square root of 1112543423 is about 33354.8110922547. The cubic root of 1112543423 is about 1036.1890301579.

Adding to 1112543423 its reverse (3243452111), we get a palindrome (4355995534).

The spelling of 1112543423 in words is "one billion, one hundred twelve million, five hundred forty-three thousand, four hundred twenty-three".