23460521868 has 144 divisors (see below), whose sum is σ = 71282405376. Its totient is φ = 6364275840.

The previous prime is 23460521863. The next prime is 23460521873. The reversal of 23460521868 is 86812506432.

23460521868 is a `hidden beast` number, since 2 + 3 + 4 + 60 + 521 + 8 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (23460521863) and next prime (23460521873).

It is not an unprimeable number, because it can be changed into a prime (23460521863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 385705 + ... + 442367.

It is an arithmetic number, because the mean of its divisors is an integer number (495016704).

Almost surely, 2^23460521868 is an apocalyptic number.

23460521868 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 23460521868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35641202688).

23460521868 is an abundant number, since it is smaller than the sum of its proper divisors (47821883508).

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

23460521868 is a wasteful number, since it uses less digits than its factorization.

23460521868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56764 (or 56759 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 23460521868 in words is "twenty-three billion, four hundred sixty million, five hundred twenty-one thousand, eight hundred sixty-eight".