1723230173857 has 12 divisors (see below), whose sum is σ = 1788729986160. Its totient is φ = 1660052309552.

The previous prime is 1723230173827. The next prime is 1723230173893. The reversal of 1723230173857 is 7583710323271.

It is not a de Polignac number, because 1723230173857 - 2¹¹ = 1723230171809 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 1723230173857.

It is not an unprimeable number, because it can be changed into a prime (1723230173807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1940107 + ... + 2685232.

It is an arithmetic number, because the mean of its divisors is an integer number (149060832180).

Almost surely, 2^{1723230173857} is an apocalyptic number.

It is an amenable number.

1723230173857 is a deficient number, since it is larger than the sum of its proper divisors (65499812303).

1723230173857 is an equidigital number, since it uses as much as digits as its factorization.

1723230173857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625840 (or 4625811 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 1723230173857 in words is "one trillion, seven hundred twenty-three billion, two hundred thirty million, one hundred seventy-three thousand, eight hundred fifty-seven".