1201223323 has 8 divisors (see below), whose sum is σ = 1277101728. Its totient is φ = 1127315904.

The previous prime is 1201223279. The next prime is 1201223327. The reversal of 1201223323 is 3233221021.

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 1201223323 - 2¹⁷ = 1201092251 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 1201223323.

It is not an unprimeable number, because it can be changed into a prime (1201223327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491490 + ... + 493927.

It is an arithmetic number, because the mean of its divisors is an integer number (159637716).

Almost surely, 2^1201223323 is an apocalyptic number.

1201223323 is a deficient number, since it is larger than the sum of its proper divisors (75878405).

1201223323 is an equidigital number, since it uses as much as digits as its factorization.

1201223323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985493.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1201223323 is about 34658.6688001718. The cubic root of 1201223323 is about 1063.0195506193.

Adding to 1201223323 its reverse (3233221021), we get a palindrome (4434444344).

The spelling of 1201223323 in words is "one billion, two hundred one million, two hundred twenty-three thousand, three hundred twenty-three".