4665478823 has 4 divisors (see below), whose sum is σ = 4911030360. Its totient is φ = 4419927288.

The previous prime is 4665478813. The next prime is 4665478841. The reversal of 4665478823 is 3288745664.

It is a happy number.

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

It is not a de Polignac number, because 4665478823 - 2¹² = 4665474727 is a prime.

It is a super-2 number, since 2×4665478823² = 43533385295722930658, 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 (4665478813) 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, 122775740 + ... + 122775777.

It is an arithmetic number, because the mean of its divisors is an integer number (1227757590).

Almost surely, 2^4665478823 is an apocalyptic number.

4665478823 is a deficient number, since it is larger than the sum of its proper divisors (245551537).

4665478823 is a wasteful number, since it uses less digits than its factorization.

4665478823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245551536.

The product of its digits is 7741440, while the sum is 53.

The square root of 4665478823 is about 68304.3104276736. The cubic root of 4665478823 is about 1670.9575135708.

The spelling of 4665478823 in words is "four billion, six hundred sixty-five million, four hundred seventy-eight thousand, eight hundred twenty-three".