202123202232 has 64 divisors (see below), whose sum is σ = 584452673280. Its totient is φ = 57053705472.

The previous prime is 202123202231. The next prime is 202123202293. The reversal of 202123202232 is 232202321202.

202123202232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 202123202199 and 202123202208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202123202231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7233733 + ... + 7261620.

It is an arithmetic number, because the mean of its divisors is an integer number (9132073020).

Almost surely, 2^202123202232 is an apocalyptic number.

It is an amenable number.

202123202232 is an abundant number, since it is smaller than the sum of its proper divisors (382329471048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202123202232 is a wasteful number, since it uses less digits than its factorization.

202123202232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14495452 (or 14495448 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 202123202232 its reverse (232202321202), we get a palindrome (434325523434).

The spelling of 202123202232 in words is "two hundred two billion, one hundred twenty-three million, two hundred two thousand, two hundred thirty-two".