4656664423 has 4 divisors (see below), whose sum is σ = 4693331200. Its totient is φ = 4619997648.

The previous prime is 4656664409. The next prime is 4656664459. The reversal of 4656664423 is 3244666564.

It is a happy number.

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 4656664423 - 2¹³ = 4656656231 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 (4656664483) 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, 18333198 + ... + 18333451.

It is an arithmetic number, because the mean of its divisors is an integer number (1173332800).

Almost surely, 2^4656664423 is an apocalyptic number.

4656664423 is a deficient number, since it is larger than the sum of its proper divisors (36666777).

4656664423 is a wasteful number, since it uses less digits than its factorization.

4656664423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36666776.

The product of its digits is 2488320, while the sum is 46.

The square root of 4656664423 is about 68239.7569090043. The cubic root of 4656664423 is about 1669.9045474744.

The spelling of 4656664423 in words is "four billion, six hundred fifty-six million, six hundred sixty-four thousand, four hundred twenty-three".