118326923428 has 72 divisors (see below), whose sum is σ = 257342678880. Its totient is φ = 47325358080.

The previous prime is 118326923419. The next prime is 118326923441. The reversal of 118326923428 is 824329623811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12388 + ... + 486628.

Almost surely, 2^118326923428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118326923428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128671339440).

118326923428 is an abundant number, since it is smaller than the sum of its proper divisors (139015755452).

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

118326923428 is a wasteful number, since it uses less digits than its factorization.

118326923428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474345 (or 474336 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The spelling of 118326923428 in words is "one hundred eighteen billion, three hundred twenty-six million, nine hundred twenty-three thousand, four hundred twenty-eight".