1323101223 has 12 divisors (see below), whose sum is σ = 1981929768. Its totient is φ = 882067320.

The previous prime is 1323101209. The next prime is 1323101231. The reversal of 1323101223 is 3221013231.

1323101223 is a `hidden beast` number, since 132 + 310 + 1 + 223 = 666.

It is not a de Polignac number, because 1323101223 - 2⁴ = 1323101207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323101196 and 1323101205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323101123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2722188 + ... + 2722673.

It is an arithmetic number, because the mean of its divisors is an integer number (165160814).

Almost surely, 2^1323101223 is an apocalyptic number.

1323101223 is a deficient number, since it is larger than the sum of its proper divisors (658828545).

1323101223 is an frugal number, since it uses more digits than its factorization.

1323101223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444876 (or 5444864 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1323101223 is about 36374.4583877204. The cubic root of 1323101223 is about 1097.8197097156.

Adding to 1323101223 its reverse (3221013231), we get a palindrome (4544114454).

The spelling of 1323101223 in words is "one billion, three hundred twenty-three million, one hundred one thousand, two hundred twenty-three".