1112403523 has 16 divisors (see below), whose sum is σ = 1410405120. Its totient is φ = 852112800.

The previous prime is 1112403511. The next prime is 1112403529. The reversal of 1112403523 is 3253042111.

It is a happy number.

It is not a de Polignac number, because 1112403523 - 2¹⁷ = 1112272451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112403494 and 1112403503.

It is not an unprimeable number, because it can be changed into a prime (1112403529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117888 + ... + 126973.

It is an arithmetic number, because the mean of its divisors is an integer number (88150320).

Almost surely, 2^1112403523 is an apocalyptic number.

1112403523 is a deficient number, since it is larger than the sum of its proper divisors (298001597).

1112403523 is a wasteful number, since it uses less digits than its factorization.

1112403523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244938.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1112403523 is about 33352.7138775842. The cubic root of 1112403523 is about 1036.1455954721.

Adding to 1112403523 its reverse (3253042111), we get a palindrome (4365445634).

The spelling of 1112403523 in words is "one billion, one hundred twelve million, four hundred three thousand, five hundred twenty-three".