1203320031323 has 4 divisors (see below), whose sum is σ = 1203556027800. Its totient is φ = 1203084034848.

The previous prime is 1203320031311. The next prime is 1203320031409. The reversal of 1203320031323 is 3231300233021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1203320031323 - 2³⁰ = 1202246289499 is a prime.

It is a super-2 number, since 2×1203320031323² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203320031523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117990590 + ... + 118000787.

It is an arithmetic number, because the mean of its divisors is an integer number (300889006950).

Almost surely, 2^{1203320031323} is an apocalyptic number.

1203320031323 is a deficient number, since it is larger than the sum of its proper divisors (235996477).

1203320031323 is an equidigital number, since it uses as much as digits as its factorization.

1203320031323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235996476.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1203320031323 its reverse (3231300233021), we get a palindrome (4434620264344).

The spelling of 1203320031323 in words is "one trillion, two hundred three billion, three hundred twenty million, thirty-one thousand, three hundred twenty-three".