839123340102 has 32 divisors (see below), whose sum is σ = 1924870748160. Its totient is φ = 270684947880.

The previous prime is 839123340079. The next prime is 839123340179. The reversal of 839123340102 is 201043321938.

839123340102 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×839123340102² (a number of 25 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 15 ways as a sum of consecutive naturals, for example, 250632538 + ... + 250635885.

It is an arithmetic number, because the mean of its divisors is an integer number (60152210880).

Almost surely, 2^839123340102 is an apocalyptic number.

839123340102 is an abundant number, since it is smaller than the sum of its proper divisors (1085747408058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

839123340102 is a wasteful number, since it uses less digits than its factorization.

839123340102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501268465 (or 501268459 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 839123340102 in words is "eight hundred thirty-nine billion, one hundred twenty-three million, three hundred forty thousand, one hundred two".