1715921141723 has 2 divisors, whose sum is σ = 1715921141724. Its totient is φ = 1715921141722.

The previous prime is 1715921141663. The next prime is 1715921141731. The reversal of 1715921141723 is 3271411295171.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1715921141723 - 2¹⁶ = 1715921076187 is a prime.

It is a super-2 number, since 2×1715921141723² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1715921141423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 857960570861 + 857960570862.

It is an arithmetic number, because the mean of its divisors is an integer number (857960570862).

Almost surely, 2^{1715921141723} is an apocalyptic number.

1715921141723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1715921141723 is an equidigital number, since it uses as much as digits as its factorization.

1715921141723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 44.

The spelling of 1715921141723 in words is "one trillion, seven hundred fifteen billion, nine hundred twenty-one million, one hundred forty-one thousand, seven hundred twenty-three".