23018642328 has 256 divisors, whose sum is σ = 69816038400. Its totient is φ = 6238453760.

The previous prime is 23018642321. The next prime is 23018642369. The reversal of 23018642328 is 82324681032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23018642321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17857108 + ... + 17858396.

It is an arithmetic number, because the mean of its divisors is an integer number (272718900).

Almost surely, 2^23018642328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23018642328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34908019200).

23018642328 is an abundant number, since it is smaller than the sum of its proper divisors (46797396072).

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

23018642328 is a wasteful number, since it uses less digits than its factorization.

23018642328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1518 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 23018642328 in words is "twenty-three billion, eighteen million, six hundred forty-two thousand, three hundred twenty-eight".