223615441253 has 4 divisors (see below), whose sum is σ = 223616387040. Its totient is φ = 223614495468.

The previous prime is 223615441243. The next prime is 223615441319. The reversal of 223615441253 is 352144516322.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 223615441253 - 2¹⁴ = 223615424869 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 (223615441223) 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, 231176 + ... + 707582.

It is an arithmetic number, because the mean of its divisors is an integer number (55904096760).

Almost surely, 2^223615441253 is an apocalyptic number.

It is an amenable number.

223615441253 is a deficient number, since it is larger than the sum of its proper divisors (945787).

223615441253 is an equidigital number, since it uses as much as digits as its factorization.

223615441253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945786.

The product of its digits is 172800, while the sum is 38.

Adding to 223615441253 its reverse (352144516322), we get a palindrome (575759957575).

The spelling of 223615441253 in words is "two hundred twenty-three billion, six hundred fifteen million, four hundred forty-one thousand, two hundred fifty-three".