461583855123 has 4 divisors (see below), whose sum is σ = 615445140168. Its totient is φ = 307722570080.

The previous prime is 461583855121. The next prime is 461583855151. The reversal of 461583855123 is 321558385164.

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 461583855123 - 2¹ = 461583855121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461583855121) 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, 76930642518 + ... + 76930642523.

It is an arithmetic number, because the mean of its divisors is an integer number (153861285042).

Almost surely, 2^461583855123 is an apocalyptic number.

461583855123 is a deficient number, since it is larger than the sum of its proper divisors (153861285045).

461583855123 is a wasteful number, since it uses less digits than its factorization.

461583855123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153861285044.

The product of its digits is 3456000, while the sum is 51.

The spelling of 461583855123 in words is "four hundred sixty-one billion, five hundred eighty-three million, eight hundred fifty-five thousand, one hundred twenty-three".