23638919346 has 192 divisors, whose sum is σ = 62483705856. Its totient is φ = 6313507200.

The previous prime is 23638919341. The next prime is 23638919363. The reversal of 23638919346 is 64391983632.

23638919346 is a `hidden beast` number, since 2 + 36 + 389 + 193 + 46 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23638919292 and 23638919301.

It is not an unprimeable number, because it can be changed into a prime (23638919341) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26953860 + ... + 26954736.

It is an arithmetic number, because the mean of its divisors is an integer number (325435968).

Almost surely, 2^23638919346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23638919346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31241852928).

23638919346 is an abundant number, since it is smaller than the sum of its proper divisors (38844786510).

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

23638919346 is a wasteful number, since it uses less digits than its factorization.

23638919346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117 (or 1114 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The spelling of 23638919346 in words is "twenty-three billion, six hundred thirty-eight million, nine hundred nineteen thousand, three hundred forty-six".