23505718068 has 108 divisors (see below), whose sum is σ = 69195907872. Its totient is φ = 6708350880.

The previous prime is 23505718063. The next prime is 23505718073. The reversal of 23505718068 is 86081750532.

23505718068 is a `hidden beast` number, since 2 + 3 + 505 + 7 + 1 + 80 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (23505718063) and next prime (23505718073).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23505718063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1663473 + ... + 1677543.

Almost surely, 2^23505718068 is an apocalyptic number.

23505718068 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 23505718068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34597953936).

23505718068 is an abundant number, since it is smaller than the sum of its proper divisors (45690189804).

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

23505718068 is a wasteful number, since it uses less digits than its factorization.

23505718068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15042 (or 15030 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 23505718068 in words is "twenty-three billion, five hundred five million, seven hundred eighteen thousand, sixty-eight".