253323113243 has 4 divisors (see below), whose sum is σ = 262058393040. Its totient is φ = 244587833448.

The previous prime is 253323113201. The next prime is 253323113249. The reversal of 253323113243 is 342311323352.

It is a happy number.

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 253323113243 - 2⁶ = 253323113179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253323113249) 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, 4367639855 + ... + 4367639912.

It is an arithmetic number, because the mean of its divisors is an integer number (65514598260).

Almost surely, 2^253323113243 is an apocalyptic number.

253323113243 is a deficient number, since it is larger than the sum of its proper divisors (8735279797).

253323113243 is an equidigital number, since it uses as much as digits as its factorization.

253323113243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8735279796.

The product of its digits is 38880, while the sum is 32.

Adding to 253323113243 its reverse (342311323352), we get a palindrome (595634436595).

The spelling of 253323113243 in words is "two hundred fifty-three billion, three hundred twenty-three million, one hundred thirteen thousand, two hundred forty-three".