201220202323 has 8 divisors (see below), whose sum is σ = 234304926048. Its totient is φ = 169220223744.

The previous prime is 201220202317. The next prime is 201220202341. The reversal of 201220202323 is 323202022102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201220202323 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 201220202323.

It is not an unprimeable number, because it can be changed into a prime (201220242323) 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, 271185886 + ... + 271186627.

It is an arithmetic number, because the mean of its divisors is an integer number (29288115756).

Almost surely, 2^201220202323 is an apocalyptic number.

201220202323 is a deficient number, since it is larger than the sum of its proper divisors (33084723725).

201220202323 is an equidigital number, since it uses as much as digits as its factorization.

201220202323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542372573.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 201220202323 its reverse (323202022102), we get a palindrome (524422224425).

The spelling of 201220202323 in words is "two hundred one billion, two hundred twenty million, two hundred two thousand, three hundred twenty-three".