1712161723 has 4 divisors (see below), whose sum is σ = 1716134688. Its totient is φ = 1708188760.

The previous prime is 1712161721. The next prime is 1712161727. The reversal of 1712161723 is 3271612171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3271612171 = 463 ⋅7066117.

It is a cyclic number.

It is not a de Polignac number, because 1712161723 - 2¹ = 1712161721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1712161721) 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, 1985836 + ... + 1986697.

It is an arithmetic number, because the mean of its divisors is an integer number (429033672).

Almost surely, 2^1712161723 is an apocalyptic number.

1712161723 is a deficient number, since it is larger than the sum of its proper divisors (3972965).

1712161723 is an equidigital number, since it uses as much as digits as its factorization.

1712161723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972964.

The product of its digits is 3528, while the sum is 31.

The square root of 1712161723 is about 41378.2759790690. The cubic root of 1712161723 is about 1196.3224735213.

Adding to 1712161723 its reverse (3271612171), we get a palindrome (4983773894).

The spelling of 1712161723 in words is "one billion, seven hundred twelve million, one hundred sixty-one thousand, seven hundred twenty-three".