1130321523 has 16 divisors (see below), whose sum is σ = 1523273472. Its totient is φ = 745500000.

The previous prime is 1130321509. The next prime is 1130321531. The reversal of 1130321523 is 3251230311.

It is not a de Polignac number, because 1130321523 - 2¹⁴ = 1130305139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1130321523.

It is not an unprimeable number, because it can be changed into a prime (1130321573) 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, 108733 + ... + 118673.

It is an arithmetic number, because the mean of its divisors is an integer number (95204592).

Almost surely, 2^1130321523 is an apocalyptic number.

1130321523 is a deficient number, since it is larger than the sum of its proper divisors (392951949).

1130321523 is a wasteful number, since it uses less digits than its factorization.

1130321523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10346.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1130321523 is about 33620.2546540028. The cubic root of 1130321523 is about 1041.6792161589.

Adding to 1130321523 its reverse (3251230311), we get a palindrome (4381551834).

The spelling of 1130321523 in words is "one billion, one hundred thirty million, three hundred twenty-one thousand, five hundred twenty-three".