4645654123 has 4 divisors (see below), whose sum is σ = 5067986328. Its totient is φ = 4223321920.

The previous prime is 4645654099. The next prime is 4645654127. The reversal of 4645654123 is 3214565464.

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 4645654123 - 2¹³ = 4645645931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4645654127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211166086 + ... + 211166107.

It is an arithmetic number, because the mean of its divisors is an integer number (1266996582).

Almost surely, 2^4645654123 is an apocalyptic number.

4645654123 is a deficient number, since it is larger than the sum of its proper divisors (422332205).

4645654123 is a wasteful number, since it uses less digits than its factorization.

4645654123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422332204.

The product of its digits is 345600, while the sum is 40.

The square root of 4645654123 is about 68159.0355198781. The cubic root of 4645654123 is about 1668.5873915104.

The spelling of 4645654123 in words is "four billion, six hundred forty-five million, six hundred fifty-four thousand, one hundred twenty-three".