423824779895 has 8 divisors (see below), whose sum is σ = 554825166480. Its totient is φ = 308236203520.

The previous prime is 423824779879. The next prime is 423824779927. The reversal of 423824779895 is 598977428324.

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

It is not a de Polignac number, because 423824779895 - 2⁴ = 423824779879 is a prime.

It is a super-2 number, since 2×423824779895² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3852952490 + ... + 3852952599.

It is an arithmetic number, because the mean of its divisors is an integer number (69353145810).

Almost surely, 2^423824779895 is an apocalyptic number.

423824779895 is a deficient number, since it is larger than the sum of its proper divisors (131000386585).

423824779895 is a wasteful number, since it uses less digits than its factorization.

423824779895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7705905105.

The product of its digits is 243855360, while the sum is 68.

The spelling of 423824779895 in words is "four hundred twenty-three billion, eight hundred twenty-four million, seven hundred seventy-nine thousand, eight hundred ninety-five".