123673152173 has 8 divisors (see below), whose sum is σ = 124093661880. Its totient is φ = 123253297920.

The previous prime is 123673152121. The next prime is 123673152191. The reversal of 123673152173 is 371251376321.

It can be written as a sum of positive squares in 4 ways, for example, as 86763826249 + 36909325924 = 294557^2 + 192118^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123673152173 - 2²⁴ = 123656374957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123673152173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123673152373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215633 + ... + 542073.

It is an arithmetic number, because the mean of its divisors is an integer number (15511707735).

Almost surely, 2^123673152173 is an apocalyptic number.

It is an amenable number.

123673152173 is a deficient number, since it is larger than the sum of its proper divisors (420509707).

123673152173 is an equidigital number, since it uses as much as digits as its factorization.

123673152173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327727.

The product of its digits is 158760, while the sum is 41.

The spelling of 123673152173 in words is "one hundred twenty-three billion, six hundred seventy-three million, one hundred fifty-two thousand, one hundred seventy-three".