1323122303 has 8 divisors (see below), whose sum is σ = 1381542480. Its totient is φ = 1265555200.

The previous prime is 1323122293. The next prime is 1323122309. The reversal of 1323122303 is 3032213231.

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 1323122303 - 2⁴ = 1323122287 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 (1323122309) 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, 210098 + ... + 216303.

It is an arithmetic number, because the mean of its divisors is an integer number (172692810).

Almost surely, 2^1323122303 is an apocalyptic number.

1323122303 is a deficient number, since it is larger than the sum of its proper divisors (58420177).

1323122303 is a wasteful number, since it uses less digits than its factorization.

1323122303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426537.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1323122303 is about 36374.7481503309. The cubic root of 1323122303 is about 1097.8255399363.

Adding to 1323122303 its reverse (3032213231), we get a palindrome (4355335534).

The spelling of 1323122303 in words is "one billion, three hundred twenty-three million, one hundred twenty-two thousand, three hundred three".