102123048834 has 128 divisors (see below), whose sum is σ = 241663150080. Its totient is φ = 31895278272.

The previous prime is 102123048823. The next prime is 102123048877. The reversal of 102123048834 is 438840321201.

It is a happy number.

102123048834 is a `hidden beast` number, since 102 + 12 + 30 + 488 + 34 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78134809 + ... + 78136115.

It is an arithmetic number, because the mean of its divisors is an integer number (1887993360).

Almost surely, 2^102123048834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102123048834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120831575040).

102123048834 is an abundant number, since it is smaller than the sum of its proper divisors (139540101246).

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

102123048834 is a wasteful number, since it uses less digits than its factorization.

102123048834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581 (or 2575 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 102123048834 in words is "one hundred two billion, one hundred twenty-three million, forty-eight thousand, eight hundred thirty-four".