202343254345 has 16 divisors (see below), whose sum is σ = 247040906112. Its totient is φ = 159079265280.

The previous prime is 202343254339. The next prime is 202343254349. The reversal of 202343254345 is 543452343202.

It is not a de Polignac number, because 202343254345 - 2²³ = 202334865737 is a prime.

It is a super-2 number, since 2×202343254345² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202343254349) 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, 1432152 + ... + 1567081.

It is an arithmetic number, because the mean of its divisors is an integer number (15440056632).

Almost surely, 2^202343254345 is an apocalyptic number.

It is an amenable number.

202343254345 is a deficient number, since it is larger than the sum of its proper divisors (44697651767).

202343254345 is a wasteful number, since it uses less digits than its factorization.

202343254345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999472.

The product of its (nonzero) digits is 345600, while the sum is 37.

Adding to 202343254345 its reverse (543452343202), we get a palindrome (745795597547).

The spelling of 202343254345 in words is "two hundred two billion, three hundred forty-three million, two hundred fifty-four thousand, three hundred forty-five".