423939743727 has 8 divisors (see below), whose sum is σ = 565264375680. Its totient is φ = 282620803800.

The previous prime is 423939743561. The next prime is 423939743771. The reversal of 423939743727 is 727347939324.

It is a happy number.

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

It is not a de Polignac number, because 423939743727 - 2²² = 423935549423 is a prime.

It is a super-2 number, since 2×423939743727² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423939743527) 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, 1246077 + ... + 1549382.

It is an arithmetic number, because the mean of its divisors is an integer number (70658046960).

Almost surely, 2^423939743727 is an apocalyptic number.

423939743727 is a deficient number, since it is larger than the sum of its proper divisors (141324631953).

423939743727 is a wasteful number, since it uses less digits than its factorization.

423939743727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846013.

The product of its digits is 48009024, while the sum is 60.

The spelling of 423939743727 in words is "four hundred twenty-three billion, nine hundred thirty-nine million, seven hundred forty-three thousand, seven hundred twenty-seven".