1220323113233 has 8 divisors (see below), whose sum is σ = 1395903567552. Its totient is φ = 1045054804176.

The previous prime is 1220323113167. The next prime is 1220323113241. The reversal of 1220323113233 is 3323113230221.

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 1220323113233 - 2¹⁴ = 1220323096849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220323113283) 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, 78027935 + ... + 78043572.

It is an arithmetic number, because the mean of its divisors is an integer number (174487945944).

Almost surely, 2^{1220323113233} is an apocalyptic number.

It is an amenable number.

1220323113233 is a deficient number, since it is larger than the sum of its proper divisors (175580454319).

1220323113233 is a wasteful number, since it uses less digits than its factorization.

1220323113233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156072631.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1220323113233 its reverse (3323113230221), we get a palindrome (4543436343454).

The spelling of 1220323113233 in words is "one trillion, two hundred twenty billion, three hundred twenty-three million, one hundred thirteen thousand, two hundred thirty-three".