4656020123 has 4 divisors (see below), whose sum is σ = 4656200040. Its totient is φ = 4655840208.

The previous prime is 4656020071. The next prime is 4656020189. The reversal of 4656020123 is 3210206564.

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 4656020123 - 2⁶ = 4656020059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4656020723) 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, 42953 + ... + 105626.

It is an arithmetic number, because the mean of its divisors is an integer number (1164050010).

Almost surely, 2^4656020123 is an apocalyptic number.

4656020123 is a deficient number, since it is larger than the sum of its proper divisors (179917).

4656020123 is a wasteful number, since it uses less digits than its factorization.

4656020123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179916.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 4656020123 is about 68235.0358906625. The cubic root of 4656020123 is about 1669.8275274569.

Adding to 4656020123 its reverse (3210206564), we get a palindrome (7866226687).

The spelling of 4656020123 in words is "four billion, six hundred fifty-six million, twenty thousand, one hundred twenty-three".