253370423213 has 4 divisors (see below), whose sum is σ = 256577643840. Its totient is φ = 250163202588.

The previous prime is 253370423191. The next prime is 253370423233. The reversal of 253370423213 is 312324073352.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253370423213 - 2¹⁰ = 253370422189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253370423233) 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, 1603610195 + ... + 1603610352.

It is an arithmetic number, because the mean of its divisors is an integer number (64144410960).

Almost surely, 2^253370423213 is an apocalyptic number.

It is an amenable number.

253370423213 is a deficient number, since it is larger than the sum of its proper divisors (3207220627).

253370423213 is an equidigital number, since it uses as much as digits as its factorization.

253370423213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207220626.

The product of its (nonzero) digits is 90720, while the sum is 35.

Adding to 253370423213 its reverse (312324073352), we get a palindrome (565694496565).

The spelling of 253370423213 in words is "two hundred fifty-three billion, three hundred seventy million, four hundred twenty-three thousand, two hundred thirteen".