12202123323 has 32 divisors (see below), whose sum is σ = 19245058560. Its totient is φ = 6804483840.

The previous prime is 12202123279. The next prime is 12202123327. The reversal of 12202123323 is 32332120221.

It is a happy number.

It is not a de Polignac number, because 12202123323 - 2²⁰ = 12201074747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12202123323.

It is not an unprimeable number, because it can be changed into a prime (12202123327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340938 + ... + 375023.

It is an arithmetic number, because the mean of its divisors is an integer number (601408080).

Almost surely, 2^12202123323 is an apocalyptic number.

12202123323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12202123323 is a deficient number, since it is larger than the sum of its proper divisors (7042935237).

12202123323 is a wasteful number, since it uses less digits than its factorization.

12202123323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716019.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12202123323 its reverse (32332120221), we get a palindrome (44534243544).

The spelling of 12202123323 in words is "twelve billion, two hundred two million, one hundred twenty-three thousand, three hundred twenty-three".