1723472070977 has 4 divisors (see below), whose sum is σ = 1782902142420. Its totient is φ = 1664041999536.

The previous prime is 1723472070961. The next prime is 1723472070979. The reversal of 1723472070977 is 7790702743271.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 405512966401 + 1317959104576 = 636799^2 + 1148024^2 .

It is a cyclic number.

It is not a de Polignac number, because 1723472070977 - 2⁴ = 1723472070961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1723472070979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29715035678 + ... + 29715035735.

It is an arithmetic number, because the mean of its divisors is an integer number (445725535605).

Almost surely, 2^{1723472070977} is an apocalyptic number.

It is an amenable number.

1723472070977 is a deficient number, since it is larger than the sum of its proper divisors (59430071443).

1723472070977 is an equidigital number, since it uses as much as digits as its factorization.

1723472070977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59430071442.

The product of its (nonzero) digits is 7260624, while the sum is 56.

The spelling of 1723472070977 in words is "one trillion, seven hundred twenty-three billion, four hundred seventy-two million, seventy thousand, nine hundred seventy-seven".