123273464779 has 4 divisors (see below), whose sum is σ = 123277000000. Its totient is φ = 123269929560.

The previous prime is 123273464771. The next prime is 123273464789. The reversal of 123273464779 is 977464372321.

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 123273464779 - 2³ = 123273464771 is a prime.

It is a super-3 number, since 3×123273464779³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123273464771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1714779 + ... + 1785220.

It is an arithmetic number, because the mean of its divisors is an integer number (30819250000).

Almost surely, 2^123273464779 is an apocalyptic number.

123273464779 is a deficient number, since it is larger than the sum of its proper divisors (3535221).

123273464779 is an equidigital number, since it uses as much as digits as its factorization.

123273464779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535220.

The product of its digits is 10668672, while the sum is 55.

The spelling of 123273464779 in words is "one hundred twenty-three billion, two hundred seventy-three million, four hundred sixty-four thousand, seven hundred seventy-nine".