202413021243 has 16 divisors (see below), whose sum is σ = 281754823680. Its totient is φ = 129012312704.

The previous prime is 202413021241. The next prime is 202413021257. The reversal of 202413021243 is 342120314202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 202413021243 - 2¹ = 202413021241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202413021241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568638 + ... + 853331.

It is an arithmetic number, because the mean of its divisors is an integer number (17609676480).

Almost surely, 2^202413021243 is an apocalyptic number.

202413021243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

202413021243 is a deficient number, since it is larger than the sum of its proper divisors (79341802437).

202413021243 is a wasteful number, since it uses less digits than its factorization.

202413021243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424058.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 202413021243 its reverse (342120314202), we get a palindrome (544533335445).

The spelling of 202413021243 in words is "two hundred two billion, four hundred thirteen million, twenty-one thousand, two hundred forty-three".