202113011323 has 4 divisors (see below), whose sum is σ = 202161988800. Its totient is φ = 202064033848.

The previous prime is 202113011257. The next prime is 202113011341. The reversal of 202113011323 is 323110311202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202113011323 is a prime.

It is a super-2 number, since 2×202113011323² (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 202113011323.

It is not an unprimeable number, because it can be changed into a prime (202113012323) 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, 24482548 + ... + 24490801.

It is an arithmetic number, because the mean of its divisors is an integer number (50540497200).

Almost surely, 2^202113011323 is an apocalyptic number.

202113011323 is a deficient number, since it is larger than the sum of its proper divisors (48977477).

202113011323 is an equidigital number, since it uses as much as digits as its factorization.

202113011323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48977476.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 202113011323 its reverse (323110311202), we get a palindrome (525223322525).

The spelling of 202113011323 in words is "two hundred two billion, one hundred thirteen million, eleven thousand, three hundred twenty-three".