1213310323 has 8 divisors (see below), whose sum is σ = 1255560480. Its totient is φ = 1171087680.

The previous prime is 1213310321. The next prime is 1213310359. The reversal of 1213310323 is 3230133121.

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 1213310323 - 2¹ = 1213310321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1213310323.

It is not an unprimeable number, because it can be changed into a prime (1213310321) 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, 127863 + ... + 137023.

It is an arithmetic number, because the mean of its divisors is an integer number (156945060).

Almost surely, 2^1213310323 is an apocalyptic number.

1213310323 is a deficient number, since it is larger than the sum of its proper divisors (42250157).

1213310323 is an equidigital number, since it uses as much as digits as its factorization.

1213310323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13757.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1213310323 is about 34832.6043097555. The cubic root of 1213310323 is about 1066.5731115972.

Adding to 1213310323 its reverse (3230133121), we get a palindrome (4443443444).

The spelling of 1213310323 in words is "one billion, two hundred thirteen million, three hundred ten thousand, three hundred twenty-three".