4640307223 has 4 divisors (see below), whose sum is σ = 4663862280. Its totient is φ = 4616752168.

The previous prime is 4640307211. The next prime is 4640307241. The reversal of 4640307223 is 3227030464.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4640307223 is a prime.

It is a super-2 number, since 2×4640307223² = 43064902247651943458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640307923) 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, 11777233 + ... + 11777626.

It is an arithmetic number, because the mean of its divisors is an integer number (1165965570).

Almost surely, 2^4640307223 is an apocalyptic number.

4640307223 is a deficient number, since it is larger than the sum of its proper divisors (23555057).

4640307223 is a wasteful number, since it uses less digits than its factorization.

4640307223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23555056.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 4640307223 is about 68119.8005208471. The cubic root of 4640307223 is about 1667.9469940763.

Adding to 4640307223 its reverse (3227030464), we get a palindrome (7867337687).

The spelling of 4640307223 in words is "four billion, six hundred forty million, three hundred seven thousand, two hundred twenty-three".