223531552303 has 4 divisors (see below), whose sum is σ = 223532560528. Its totient is φ = 223530544080.

The previous prime is 223531552267. The next prime is 223531552357. The reversal of 223531552303 is 303255135322.

It is a semiprime because it is the product of two primes, 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 223531552303 - 2¹³ = 223531544111 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 (223531552373) 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, 10326 + ... + 668707.

It is an arithmetic number, because the mean of its divisors is an integer number (55883140132).

Almost surely, 2^223531552303 is an apocalyptic number.

223531552303 is a deficient number, since it is larger than the sum of its proper divisors (1008225).

223531552303 is an equidigital number, since it uses as much as digits as its factorization.

223531552303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008224.

The product of its (nonzero) digits is 81000, while the sum is 34.

Adding to 223531552303 its reverse (303255135322), we get a palindrome (526786687625).

The spelling of 223531552303 in words is "two hundred twenty-three billion, five hundred thirty-one million, five hundred fifty-two thousand, three hundred three".