202313211323 has 16 divisors (see below), whose sum is σ = 206394984480. Its totient is φ = 198264692736.

The previous prime is 202313211283. The next prime is 202313211341. The reversal of 202313211323 is 323112313202.

It is a cyclic number.

It is not a de Polignac number, because 202313211323 - 2⁶ = 202313211259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202313261323) 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, 14267465 + ... + 14281637.

It is an arithmetic number, because the mean of its divisors is an integer number (12899686530).

Almost surely, 2^202313211323 is an apocalyptic number.

202313211323 is a deficient number, since it is larger than the sum of its proper divisors (4081773157).

202313211323 is a wasteful number, since it uses less digits than its factorization.

202313211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15326.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 202313211323 its reverse (323112313202), we get a palindrome (525425524525).

The spelling of 202313211323 in words is "two hundred two billion, three hundred thirteen million, two hundred eleven thousand, three hundred twenty-three".