673753560052123 has 4 divisors (see below), whose sum is σ = 695487545860288. Its totient is φ = 652019574243960.

The previous prime is 673753560052033. The next prime is 673753560052159. The reversal of 673753560052123 is 321250065357376.

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 673753560052123 - 2⁴¹ = 671554536796571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673753560052423) 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, 10866992904036 + ... + 10866992904097.

It is an arithmetic number, because the mean of its divisors is an integer number (173871886465072).

Almost surely, 2^{673753560052123} is an apocalyptic number.

673753560052123 is a deficient number, since it is larger than the sum of its proper divisors (21733985808165).

673753560052123 is a wasteful number, since it uses less digits than its factorization.

673753560052123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21733985808164.

The product of its (nonzero) digits is 23814000, while the sum is 55.

The spelling of 673753560052123 in words is "six hundred seventy-three trillion, seven hundred fifty-three billion, five hundred sixty million, fifty-two thousand, one hundred twenty-three".