1130321003123 has 4 divisors (see below), whose sum is σ = 1217268772608. Its totient is φ = 1043373233640.

The previous prime is 1130321003099. The next prime is 1130321003173. The reversal of 1130321003123 is 3213001230311.

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 1130321003123 - 2¹⁸ = 1130320740979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130321003095 and 1130321003104.

It is not an unprimeable number, because it can be changed into a prime (1130321003173) 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, 43473884723 + ... + 43473884748.

It is an arithmetic number, because the mean of its divisors is an integer number (304317193152).

Almost surely, 2^{1130321003123} is an apocalyptic number.

1130321003123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1130321003123 is a deficient number, since it is larger than the sum of its proper divisors (86947769485).

1130321003123 is an equidigital number, since it uses as much as digits as its factorization.

1130321003123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86947769484.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1130321003123 its reverse (3213001230311), we get a palindrome (4343322233434).

The spelling of 1130321003123 in words is "one trillion, one hundred thirty billion, three hundred twenty-one million, three thousand, one hundred twenty-three".