1303223123303 has 2 divisors, whose sum is σ = 1303223123304. Its totient is φ = 1303223123302.

The previous prime is 1303223123269. The next prime is 1303223123351. The reversal of 1303223123303 is 3033213223031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1303223123303 - 2¹⁸ = 1303222861159 is a prime.

It is a super-2 number, since 2×1303223123303² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303223123003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651611561651 + 651611561652.

It is an arithmetic number, because the mean of its divisors is an integer number (651611561652).

Almost surely, 2^{1303223123303} is an apocalyptic number.

1303223123303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303223123303 is an equidigital number, since it uses as much as digits as its factorization.

1303223123303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 1303223123303 its reverse (3033213223031), we get a palindrome (4336436346334).

The spelling of 1303223123303 in words is "one trillion, three hundred three billion, two hundred twenty-three million, one hundred twenty-three thousand, three hundred three".