1323231221203 has 8 divisors (see below), whose sum is σ = 1424815274160. Its totient is φ = 1224285715200.

The previous prime is 1323231221153. The next prime is 1323231221209. The reversal of 1323231221203 is 3021221323231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323231221203 - 2⁹ = 1323231220691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323231221209) 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, 659635698 + ... + 659637703.

It is an arithmetic number, because the mean of its divisors is an integer number (178101909270).

Almost surely, 2^{1323231221203} is an apocalyptic number.

1323231221203 is a deficient number, since it is larger than the sum of its proper divisors (101584052957).

1323231221203 is a wasteful number, since it uses less digits than its factorization.

1323231221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319273477.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1323231221203 its reverse (3021221323231), we get a palindrome (4344452544434).

The spelling of 1323231221203 in words is "one trillion, three hundred twenty-three billion, two hundred thirty-one million, two hundred twenty-one thousand, two hundred three".