653344223 has 4 divisors (see below), whose sum is σ = 746679120. Its totient is φ = 560009328.

The previous prime is 653344217. The next prime is 653344267. The reversal of 653344223 is 322443356.

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 653344223 - 2¹⁰ = 653343199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 653344223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653344213) 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, 46667438 + ... + 46667451.

It is an arithmetic number, because the mean of its divisors is an integer number (186669780).

Almost surely, 2^653344223 is an apocalyptic number.

653344223 is a deficient number, since it is larger than the sum of its proper divisors (93334897).

653344223 is an equidigital number, since it uses as much as digits as its factorization.

653344223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93334896.

The product of its digits is 51840, while the sum is 32.

The square root of 653344223 is about 25560.5990344514. The cubic root of 653344223 is about 867.7221529069.

Adding to 653344223 its reverse (322443356), we get a palindrome (975787579).

The spelling of 653344223 in words is "six hundred fifty-three million, three hundred forty-four thousand, two hundred twenty-three".