1113162523 has 16 divisors (see below), whose sum is σ = 1242501120. Its totient is φ = 988595200.

The previous prime is 1113162503. The next prime is 1113162527. The reversal of 1113162523 is 3252613111.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113162523 is a prime.

It is a super-2 number, since 2×1113162523² = 2478261605223451058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113162527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329718 + ... + 333076.

It is an arithmetic number, because the mean of its divisors is an integer number (77656320).

Almost surely, 2^1113162523 is an apocalyptic number.

1113162523 is a deficient number, since it is larger than the sum of its proper divisors (129338597).

1113162523 is a wasteful number, since it uses less digits than its factorization.

1113162523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058.

The product of its digits is 1080, while the sum is 25.

The square root of 1113162523 is about 33364.0903217816. The cubic root of 1113162523 is about 1036.3811981395.

Adding to 1113162523 its reverse (3252613111), we get a palindrome (4365775634).

The spelling of 1113162523 in words is "one billion, one hundred thirteen million, one hundred sixty-two thousand, five hundred twenty-three".