202320323011 has 4 divisors (see below), whose sum is σ = 202613117224. Its totient is φ = 202027528800.

The previous prime is 202320322987. The next prime is 202320323047. The reversal of 202320323011 is 110323023202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202320323011 - 2¹⁷ = 202320191939 is a prime.

It is a super-2 number, since 2×202320323011² (a number of 23 digits) contains 22 as substring.

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 202320323011.

It is not an unprimeable number, because it can be changed into a prime (202320323411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146396070 + ... + 146397451.

It is an arithmetic number, because the mean of its divisors is an integer number (50653279306).

Almost surely, 2^202320323011 is an apocalyptic number.

202320323011 is a deficient number, since it is larger than the sum of its proper divisors (292794213).

202320323011 is an equidigital number, since it uses as much as digits as its factorization.

202320323011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292794212.

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

Adding to 202320323011 its reverse (110323023202), we get a palindrome (312643346213).

The spelling of 202320323011 in words is "two hundred two billion, three hundred twenty million, three hundred twenty-three thousand, eleven".