19623351152 has 20 divisors (see below), whose sum is σ = 38319618816. Its totient is φ = 9734417280.

The previous prime is 19623351151. The next prime is 19623351169. The reversal of 19623351152 is 25115332691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19623351151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4826549 + ... + 4830612.

Almost surely, 2^19623351152 is an apocalyptic number.

It is an amenable number.

19623351152 is a deficient number, since it is larger than the sum of its proper divisors (18696267664).

19623351152 is a wasteful number, since it uses less digits than its factorization.

19623351152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9657296 (or 9657290 counting only the distinct ones).

The product of its digits is 48600, while the sum is 38.

The spelling of 19623351152 in words is "nineteen billion, six hundred twenty-three million, three hundred fifty-one thousand, one hundred fifty-two".