23501019648 has 160 divisors (see below), whose sum is σ = 65522806272. Its totient is φ = 7476019200.

The previous prime is 23501019643. The next prime is 23501019677. The reversal of 23501019648 is 84691010532.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (23501019643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3472588 + ... + 3479348.

Almost surely, 2^23501019648 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 23501019648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32761403136).

23501019648 is an abundant number, since it is smaller than the sum of its proper divisors (42021786624).

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

23501019648 is an equidigital number, since it uses as much as digits as its factorization.

23501019648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886 (or 6870 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 23501019648 in words is "twenty-three billion, five hundred one million, nineteen thousand, six hundred forty-eight".