1303111023223 has 4 divisors (see below), whose sum is σ = 1303150133880. Its totient is φ = 1303071912568.

The previous prime is 1303111023209. The next prime is 1303111023283. The reversal of 1303111023223 is 3223201113031.

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-1303111023223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303111023194 and 1303111023203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303111023283) 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, 19505308 + ... + 19572001.

It is an arithmetic number, because the mean of its divisors is an integer number (325787533470).

Almost surely, 2^{1303111023223} is an apocalyptic number.

1303111023223 is a deficient number, since it is larger than the sum of its proper divisors (39110657).

1303111023223 is an equidigital number, since it uses as much as digits as its factorization.

1303111023223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39110656.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1303111023223 its reverse (3223201113031), we get a palindrome (4526312136254).

The spelling of 1303111023223 in words is "one trillion, three hundred three billion, one hundred eleven million, twenty-three thousand, two hundred twenty-three".