1130323123 has 4 divisors (see below), whose sum is σ = 1130774008. Its totient is φ = 1129872240.

The previous prime is 1130323097. The next prime is 1130323141. The reversal of 1130323123 is 3213230311.

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 1130323123 - 2²¹ = 1128225971 is a prime.

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 1130323123.

It is not an unprimeable number, because it can be changed into a prime (1130323423) 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, 221661 + ... + 226702.

It is an arithmetic number, because the mean of its divisors is an integer number (282693502).

Almost surely, 2^1130323123 is an apocalyptic number.

1130323123 is a deficient number, since it is larger than the sum of its proper divisors (450885).

1130323123 is an equidigital number, since it uses as much as digits as its factorization.

1130323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450884.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1130323123 is about 33620.2784491741. The cubic root of 1130323123 is about 1041.6797076668.

Adding to 1130323123 its reverse (3213230311), we get a palindrome (4343553434).

The spelling of 1130323123 in words is "one billion, one hundred thirty million, three hundred twenty-three thousand, one hundred twenty-three".