1323301220203 has 32 divisors (see below), whose sum is σ = 1437780326400. Its totient is φ = 1214905101696.

The previous prime is 1323301220201. The next prime is 1323301220221. The reversal of 1323301220203 is 3020221033231.

It is a cyclic number.

It is not a de Polignac number, because 1323301220203 - 2¹ = 1323301220201 is a prime.

It is a super-2 number, since 2×1323301220203² (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 (1323301220201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10433776 + ... + 10559842.

It is an arithmetic number, because the mean of its divisors is an integer number (44930635200).

Almost surely, 2^{1323301220203} is an apocalyptic number.

1323301220203 is a deficient number, since it is larger than the sum of its proper divisors (114479106197).

1323301220203 is a wasteful number, since it uses less digits than its factorization.

1323301220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126331.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1323301220203 its reverse (3020221033231), we get a palindrome (4343522253434).

The spelling of 1323301220203 in words is "one trillion, three hundred twenty-three billion, three hundred one million, two hundred twenty thousand, two hundred three".