1113311523 has 8 divisors (see below), whose sum is σ = 1484893888. Its totient is φ = 741968424.

The previous prime is 1113311519. The next prime is 1113311531. The reversal of 1113311523 is 3251133111.

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

It is not a de Polignac number, because 1113311523 - 2² = 1113311519 is a prime.

It is a super-5 number, since 5×1113311523⁵ (a number of 46 digits) contains 55555 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113311523.

It is not an unprimeable number, because it can be changed into a prime (1113311543) 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, 48661 + ... + 67782.

It is an arithmetic number, because the mean of its divisors is an integer number (185611736).

Almost surely, 2^1113311523 is an apocalyptic number.

1113311523 is a deficient number, since it is larger than the sum of its proper divisors (371582365).

1113311523 is a wasteful number, since it uses less digits than its factorization.

1113311523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119633.

The product of its digits is 270, while the sum is 21.

The square root of 1113311523 is about 33366.3231867103. The cubic root of 1113311523 is about 1036.4274369428.

Adding to 1113311523 its reverse (3251133111), we get a palindrome (4364444634).

The spelling of 1113311523 in words is "one billion, one hundred thirteen million, three hundred eleven thousand, five hundred twenty-three".