202423131244 has 12 divisors (see below), whose sum is σ = 354244052344. Its totient is φ = 101210544864.

The previous prime is 202423131241. The next prime is 202423131259. The reversal of 202423131244 is 442131324202.

It is not an unprimeable number, because it can be changed into a prime (202423131241) 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, 350992 + ... + 726664.

Almost surely, 2^202423131244 is an apocalyptic number.

It is an amenable number.

202423131244 is a deficient number, since it is larger than the sum of its proper divisors (151820921100).

202423131244 is a wasteful number, since it uses less digits than its factorization.

202423131244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510384 (or 510382 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 202423131244 its reverse (442131324202), we get a palindrome (644554455446).

The spelling of 202423131244 in words is "two hundred two billion, four hundred twenty-three million, one hundred thirty-one thousand, two hundred forty-four".