1303220231223 has 16 divisors (see below), whose sum is σ = 1742576202240. Its totient is φ = 866341453824.

The previous prime is 1303220231189. The next prime is 1303220231233. The reversal of 1303220231223 is 3221320223031.

It is not a de Polignac number, because 1303220231223 - 2¹⁰ = 1303220230199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1303220231193 and 1303220231202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303220231233) 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, 1705015 + ... + 2348087.

It is an arithmetic number, because the mean of its divisors is an integer number (108911012640).

Almost surely, 2^{1303220231223} is an apocalyptic number.

1303220231223 is a deficient number, since it is larger than the sum of its proper divisors (439355971017).

1303220231223 is a wasteful number, since it uses less digits than its factorization.

1303220231223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644998.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1303220231223 its reverse (3221320223031), we get a palindrome (4524540454254).

The spelling of 1303220231223 in words is "one trillion, three hundred three billion, two hundred twenty million, two hundred thirty-one thousand, two hundred twenty-three".