869931187423 has 8 divisors (see below), whose sum is σ = 884864655360. Its totient is φ = 855004015320.

The previous prime is 869931187409. The next prime is 869931187441. The reversal of 869931187423 is 324781139968.

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

It is not a de Polignac number, because 869931187423 - 2¹³ = 869931179231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869931187403) 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, 1294815 + ... + 1848352.

It is an arithmetic number, because the mean of its divisors is an integer number (110608081920).

Almost surely, 2^869931187423 is an apocalyptic number.

869931187423 is a deficient number, since it is larger than the sum of its proper divisors (14933467937).

869931187423 is a wasteful number, since it uses less digits than its factorization.

869931187423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147917.

The product of its digits is 15676416, while the sum is 61.

The spelling of 869931187423 in words is "eight hundred sixty-nine billion, nine hundred thirty-one million, one hundred eighty-seven thousand, four hundred twenty-three".