23426568 has 72 divisors (see below), whose sum is σ = 69765150. Its totient is φ = 7096320.

The previous prime is 23426549. The next prime is 23426569. The reversal of 23426568 is 86562432.

It can be written as a sum of positive squares in only one way, i.e., 23213124 + 213444 = 4818^2 + 462^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23426569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7368 + ... + 10056.

Almost surely, 2^23426568 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 23426568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34882575).

23426568 is an abundant number, since it is smaller than the sum of its proper divisors (46338582).

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

23426568 is a wasteful number, since it uses less digits than its factorization.

23426568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723 (or 2705 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 23426568 is about 4840.0999989670. The cubic root of 23426568 is about 286.1340594392.

The spelling of 23426568 in words is "twenty-three million, four hundred twenty-six thousand, five hundred sixty-eight".