19623500352 has 168 divisors, whose sum is σ = 59875826400. Its totient is φ = 6126962688.

The previous prime is 19623500297. The next prime is 19623500417. The reversal of 19623500352 is 25300532691.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 963943 + ... + 984089.

Almost surely, 2^19623500352 is an apocalyptic number.

19623500352 is a gapful number since it is divisible by the number (12) 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 19623500352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29937913200).

19623500352 is an abundant number, since it is smaller than the sum of its proper divisors (40252326048).

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

19623500352 is a wasteful number, since it uses less digits than its factorization.

19623500352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20273 (or 20260 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 19623500352 in words is "nineteen billion, six hundred twenty-three million, five hundred thousand, three hundred fifty-two".