1303220001323 has 2 divisors, whose sum is σ = 1303220001324. Its totient is φ = 1303220001322.

The previous prime is 1303220001287. The next prime is 1303220001371. The reversal of 1303220001323 is 3231000223031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1303220001323 - 2¹² = 1303219997227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1303220001295 and 1303220001304.

It is not a weakly prime, because it can be changed into another prime (1303220001383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651610000661 + 651610000662.

It is an arithmetic number, because the mean of its divisors is an integer number (651610000662).

Almost surely, 2^{1303220001323} is an apocalyptic number.

1303220001323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303220001323 is an equidigital number, since it uses as much as digits as its factorization.

1303220001323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1303220001323 its reverse (3231000223031), we get a palindrome (4534220224354).

The spelling of 1303220001323 in words is "one trillion, three hundred three billion, two hundred twenty million, one thousand, three hundred twenty-three".