23199923628 has 144 divisors (see below), whose sum is σ = 71106846720. Its totient is φ = 6230068992.

The previous prime is 23199923627. The next prime is 23199923653. The reversal of 23199923628 is 82632999132.

23199923628 is a `hidden beast` number, since 2 + 3 + 1 + 9 + 9 + 9 + 2 + 3 + 628 = 666.

It is not an unprimeable number, because it can be changed into a prime (23199923627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 589000 + ... + 627152.

Almost surely, 2^23199923628 is an apocalyptic number.

23199923628 is a gapful number since it is divisible by the number (28) 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 23199923628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35553423360).

23199923628 is an abundant number, since it is smaller than the sum of its proper divisors (47906923092).

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

23199923628 is a wasteful number, since it uses less digits than its factorization.

23199923628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38316 (or 38311 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The spelling of 23199923628 in words is "twenty-three billion, one hundred ninety-nine million, nine hundred twenty-three thousand, six hundred twenty-eight".