104723521380 has 240 divisors, whose sum is σ = 348993380736. Its totient is φ = 26196894720.

The previous prime is 104723521373. The next prime is 104723521381. The reversal of 104723521380 is 83125327401.

104723521380 is a `hidden beast` number, since 1 + 0 + 47 + 235 + 2 + 1 + 380 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (104723521381) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8558827 + ... + 8571053.

Almost surely, 2^104723521380 is an apocalyptic number.

104723521380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104723521380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174496690368).

104723521380 is an abundant number, since it is smaller than the sum of its proper divisors (244269859356).

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

104723521380 is a wasteful number, since it uses less digits than its factorization.

104723521380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12576 (or 12565 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 104723521380 its reverse (83125327401), we get a palindrome (187848848781).

The spelling of 104723521380 in words is "one hundred four billion, seven hundred twenty-three million, five hundred twenty-one thousand, three hundred eighty".