1030320321223 has 4 divisors (see below), whose sum is σ = 1090927398960. Its totient is φ = 969713243488.

The previous prime is 1030320321197. The next prime is 1030320321227. The reversal of 1030320321223 is 3221230230301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1030320321223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030320321194 and 1030320321203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030320321227) 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, 30303538843 + ... + 30303538876.

It is an arithmetic number, because the mean of its divisors is an integer number (272731849740).

Almost surely, 2^{1030320321223} is an apocalyptic number.

1030320321223 is a deficient number, since it is larger than the sum of its proper divisors (60607077737).

1030320321223 is an equidigital number, since it uses as much as digits as its factorization.

1030320321223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60607077736.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1030320321223 its reverse (3221230230301), we get a palindrome (4251550551524).

The spelling of 1030320321223 in words is "one trillion, thirty billion, three hundred twenty million, three hundred twenty-one thousand, two hundred twenty-three".