1213001323 has 8 divisors (see below), whose sum is σ = 1285980192. Its totient is φ = 1140203136.

The previous prime is 1213001281. The next prime is 1213001353. The reversal of 1213001323 is 3231003121.

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 1213001323 - 2¹⁷ = 1212870251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213001297 and 1213001306.

It is not an unprimeable number, because it can be changed into a prime (1213001353) 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, 31215 + ... + 58312.

It is an arithmetic number, because the mean of its divisors is an integer number (160747524).

Almost surely, 2^1213001323 is an apocalyptic number.

1213001323 is a deficient number, since it is larger than the sum of its proper divisors (72978869).

1213001323 is an equidigital number, since it uses as much as digits as its factorization.

1213001323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90341.

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

The square root of 1213001323 is about 34828.1685277880. The cubic root of 1213001323 is about 1066.4825606840.

Adding to 1213001323 its reverse (3231003121), we get a palindrome (4444004444).

The spelling of 1213001323 in words is "one billion, two hundred thirteen million, one thousand, three hundred twenty-three".