23287243386 has 64 divisors (see below), whose sum is σ = 52162983936. Its totient is φ = 6869385600.

The previous prime is 23287243381. The next prime is 23287243393. The reversal of 23287243386 is 68334278232.

23287243386 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (23287243381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1243585 + ... + 1262171.

It is an arithmetic number, because the mean of its divisors is an integer number (815046624).

Almost surely, 2^23287243386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23287243386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26081491968).

23287243386 is an abundant number, since it is smaller than the sum of its proper divisors (28875740550).

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

23287243386 is a wasteful number, since it uses less digits than its factorization.

23287243386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19107.

The product of its digits is 2322432, while the sum is 48.

The spelling of 23287243386 in words is "twenty-three billion, two hundred eighty-seven million, two hundred forty-three thousand, three hundred eighty-six".