1303223203323 has 8 divisors (see below), whose sum is σ = 1930701042000. Its totient is φ = 868815468864.

The previous prime is 1303223203313. The next prime is 1303223203357. The reversal of 1303223203323 is 3233023223031.

1303223203323 is a `hidden beast` number, since 1 + 3 + 0 + 3 + 2 + 2 + 320 + 332 + 3 = 666.

It is not a de Polignac number, because 1303223203323 - 2⁴ = 1303223203307 is a prime.

It is a super-2 number, since 2×1303223203323² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 48267526049 = 1303223203323 / (1 + 3 + 0 + 3 + 2 + 2 + 3 + 2 + 0 + 3 + 3 + 2 + 3).

It is not an unprimeable number, because it can be changed into a prime (1303223203313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24133762998 + ... + 24133763051.

It is an arithmetic number, because the mean of its divisors is an integer number (241337630250).

Almost surely, 2^{1303223203323} is an apocalyptic number.

1303223203323 is a deficient number, since it is larger than the sum of its proper divisors (627477838677).

1303223203323 is an equidigital number, since it uses as much as digits as its factorization.

1303223203323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48267526058 (or 48267526052 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 27.

Adding to 1303223203323 its reverse (3233023223031), we get a palindrome (4536246426354).

The spelling of 1303223203323 in words is "one trillion, three hundred three billion, two hundred twenty-three million, two hundred three thousand, three hundred twenty-three".