1130613523 has 4 divisors (see below), whose sum is σ = 1217583808. Its totient is φ = 1043643240.

The previous prime is 1130613481. The next prime is 1130613541. The reversal of 1130613523 is 3253160311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1130613523 - 2¹³ = 1130605331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130613823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43485123 + ... + 43485148.

It is an arithmetic number, because the mean of its divisors is an integer number (304395952).

Almost surely, 2^1130613523 is an apocalyptic number.

1130613523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1130613523 is a deficient number, since it is larger than the sum of its proper divisors (86970285).

1130613523 is an equidigital number, since it uses as much as digits as its factorization.

1130613523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86970284.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1130613523 is about 33624.5969938675. The cubic root of 1130613523 is about 1041.7689086744.

Adding to 1130613523 its reverse (3253160311), we get a palindrome (4383773834).

The spelling of 1130613523 in words is "one billion, one hundred thirty million, six hundred thirteen thousand, five hundred twenty-three".