78823814557323 has 8 divisors (see below), whose sum is σ = 114652821174336. Its totient is φ = 47772008822600.

The previous prime is 78823814557321. The next prime is 78823814557331. The reversal of 78823814557323 is 32375541832887.

It is a happy number.

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 78823814557323 - 2¹ = 78823814557321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78823814557321) 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, 1194300220533 + ... + 1194300220598.

It is an arithmetic number, because the mean of its divisors is an integer number (14331602646792).

Almost surely, 2^{78823814557323} is an apocalyptic number.

78823814557323 is a deficient number, since it is larger than the sum of its proper divisors (35829006617013).

78823814557323 is a wasteful number, since it uses less digits than its factorization.

78823814557323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388600441145.

The product of its digits is 270950400, while the sum is 66.

The spelling of 78823814557323 in words is "seventy-eight trillion, eight hundred twenty-three billion, eight hundred fourteen million, five hundred fifty-seven thousand, three hundred twenty-three".