23308667886 has 128 divisors (see below), whose sum is σ = 56770560000. Its totient is φ = 6232028544.

The previous prime is 23308667881. The next prime is 23308667929. The reversal of 23308667886 is 68876680332.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23308667881) 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, 35369425 + ... + 35370083.

It is an arithmetic number, because the mean of its divisors is an integer number (443520000).

Almost surely, 2^23308667886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23308667886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28385280000).

23308667886 is an abundant number, since it is smaller than the sum of its proper divisors (33461892114).

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

23308667886 is a wasteful number, since it uses less digits than its factorization.

23308667886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166.

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 23308667886 in words is "twenty-three billion, three hundred eight million, six hundred sixty-seven thousand, eight hundred eighty-six".