202424231243 has 4 divisors (see below), whose sum is σ = 217995325968. Its totient is φ = 186853136520.

The previous prime is 202424231203. The next prime is 202424231263. The reversal of 202424231243 is 342132424202.

202424231243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 202424231243 - 2²² = 202420036939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202424231203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7785547343 + ... + 7785547368.

It is an arithmetic number, because the mean of its divisors is an integer number (54498831492).

Almost surely, 2^202424231243 is an apocalyptic number.

202424231243 is a deficient number, since it is larger than the sum of its proper divisors (15571094725).

202424231243 is a wasteful number, since it uses less digits than its factorization.

202424231243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15571094724.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 202424231243 its reverse (342132424202), we get a palindrome (544556655445).

The spelling of 202424231243 in words is "two hundred two billion, four hundred twenty-four million, two hundred thirty-one thousand, two hundred forty-three".