202323012 has 24 divisors (see below), whose sum is σ = 472500000. Its totient is φ = 67382016.

The previous prime is 202322999. The next prime is 202323013. The reversal of 202323012 is 210323202.

It is a junction number, because it is equal to n+sod(n) for n = 202322982 and 202323000.

It is not an unprimeable number, because it can be changed into a prime (202323013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8239 + ... + 21737.

It is an arithmetic number, because the mean of its divisors is an integer number (19687500).

Almost surely, 2^202323012 is an apocalyptic number.

It is an amenable number.

202323012 is an abundant number, since it is smaller than the sum of its proper divisors (270176988).

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

202323012 is a wasteful number, since it uses less digits than its factorization.

202323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14755 (or 14753 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 202323012 is about 14224.0293869213. The cubic root of 202323012 is about 587.0590136924.

Adding to 202323012 its reverse (210323202), we get a palindrome (412646214).

The spelling of 202323012 in words is "two hundred two million, three hundred twenty-three thousand, twelve".