1423703971717 has 8 divisors (see below), whose sum is σ = 1450588043160. Its totient is φ = 1396820705280.

The previous prime is 1423703971621. The next prime is 1423703971747. The reversal of 1423703971717 is 7171793073241.

It can be written as a sum of positive squares in 4 ways, for example, as 29531047716 + 1394172924001 = 171846^2 + 1180751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1423703971717 - 2²³ = 1423695583109 is a prime.

It is a super-3 number, since 3×1423703971717³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423703971747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4318509 + ... + 4636477.

It is an arithmetic number, because the mean of its divisors is an integer number (181323505395).

Almost surely, 2^{1423703971717} is an apocalyptic number.

It is an amenable number.

1423703971717 is a deficient number, since it is larger than the sum of its proper divisors (26884071443).

1423703971717 is an equidigital number, since it uses as much as digits as its factorization.

1423703971717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402503.

The product of its (nonzero) digits is 1555848, while the sum is 52.

The spelling of 1423703971717 in words is "one trillion, four hundred twenty-three billion, seven hundred three million, nine hundred seventy-one thousand, seven hundred seventeen".