228653356823 has 8 divisors (see below), whose sum is σ = 232163395440. Its totient is φ = 225146180160.

The previous prime is 228653356793. The next prime is 228653356889. The reversal of 228653356823 is 328653356822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228653356823 - 2¹² = 228653352727 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 (228653356223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554198 + ... + 874323.

It is an arithmetic number, because the mean of its divisors is an integer number (29020424430).

Almost surely, 2^228653356823 is an apocalyptic number.

228653356823 is a deficient number, since it is larger than the sum of its proper divisors (3510038617).

228653356823 is a wasteful number, since it uses less digits than its factorization.

228653356823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430977.

The product of its digits is 12441600, while the sum is 53.

Subtracting 228653356823 from its reverse (328653356822), we obtain a palindrome (99999999999).

The spelling of 228653356823 in words is "two hundred twenty-eight billion, six hundred fifty-three million, three hundred fifty-six thousand, eight hundred twenty-three".