250513440323 has 4 divisors (see below), whose sum is σ = 256339334328. Its totient is φ = 244687546320.

The previous prime is 250513440301. The next prime is 250513440337. The reversal of 250513440323 is 323044315052.

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 250513440323 - 2²⁰ = 250512391747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 250513440323.

It is not an unprimeable number, because it can be changed into a prime (250503440323) 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, 2912946938 + ... + 2912947023.

It is an arithmetic number, because the mean of its divisors is an integer number (64084833582).

Almost surely, 2^250513440323 is an apocalyptic number.

250513440323 is a deficient number, since it is larger than the sum of its proper divisors (5825894005).

250513440323 is an equidigital number, since it uses as much as digits as its factorization.

250513440323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5825894004.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 250513440323 its reverse (323044315052), we get a palindrome (573557755375).

The spelling of 250513440323 in words is "two hundred fifty billion, five hundred thirteen million, four hundred forty thousand, three hundred twenty-three".