1220202232323 has 16 divisors (see below), whose sum is σ = 1690689408000. Its totient is φ = 781943833440.

The previous prime is 1220202232309. The next prime is 1220202232357. The reversal of 1220202232323 is 3232322020221.

It is a de Polignac number, because none of the positive numbers 2^k-1220202232323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220202232293 and 1220202232302.

It is not an unprimeable number, because it can be changed into a prime (1220202232723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44014513 + ... + 44042226.

It is an arithmetic number, because the mean of its divisors is an integer number (105668088000).

Almost surely, 2^{1220202232323} is an apocalyptic number.

1220202232323 is a deficient number, since it is larger than the sum of its proper divisors (470487175677).

1220202232323 is a wasteful number, since it uses less digits than its factorization.

1220202232323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88056922.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 1220202232323 its reverse (3232322020221), we get a palindrome (4452524252544).

The spelling of 1220202232323 in words is "one trillion, two hundred twenty billion, two hundred two million, two hundred thirty-two thousand, three hundred twenty-three".