224640143323 has 4 divisors (see below), whose sum is σ = 224643020560. Its totient is φ = 224637266088.

The previous prime is 224640143279. The next prime is 224640143327. The reversal of 224640143323 is 323341046422.

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 224640143323 - 2²⁵ = 224606588891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224640143327) 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, 1318143 + ... + 1478776.

It is an arithmetic number, because the mean of its divisors is an integer number (56160755140).

Almost surely, 2^224640143323 is an apocalyptic number.

224640143323 is a deficient number, since it is larger than the sum of its proper divisors (2877237).

224640143323 is an equidigital number, since it uses as much as digits as its factorization.

224640143323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877236.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 224640143323 its reverse (323341046422), we get a palindrome (547981189745).

The spelling of 224640143323 in words is "two hundred twenty-four billion, six hundred forty million, one hundred forty-three thousand, three hundred twenty-three".