1323021103 has 8 divisors (see below), whose sum is σ = 1335785472. Its totient is φ = 1310293656.

The previous prime is 1323021097. The next prime is 1323021179. The reversal of 1323021103 is 3011203231.

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 1323021103 - 2⁹ = 1323020591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323081103) 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, 65676 + ... + 83422.

It is an arithmetic number, because the mean of its divisors is an integer number (166973184).

Almost surely, 2^1323021103 is an apocalyptic number.

1323021103 is a deficient number, since it is larger than the sum of its proper divisors (12764369).

1323021103 is a wasteful number, since it uses less digits than its factorization.

1323021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18461.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1323021103 is about 36373.3570488070. The cubic root of 1323021103 is about 1097.7975498865.

Adding to 1323021103 its reverse (3011203231), we get a palindrome (4334224334).

The spelling of 1323021103 in words is "one billion, three hundred twenty-three million, twenty-one thousand, one hundred three".