23538168 has 64 divisors (see below), whose sum is σ = 66528000. Its totient is φ = 7708896.

The previous prime is 23538167. The next prime is 23538187. The reversal of 23538168 is 86183532.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23538167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11821 + ... + 13667.

It is an arithmetic number, because the mean of its divisors is an integer number (1039500).

Almost surely, 2^23538168 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 23538168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33264000).

23538168 is an abundant number, since it is smaller than the sum of its proper divisors (42989832).

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

23538168 is a wasteful number, since it uses less digits than its factorization.

23538168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921 (or 1911 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 23538168 is about 4851.6149888465. The cubic root of 23538168 is about 286.5877037488.

The spelling of 23538168 in words is "twenty-three million, five hundred thirty-eight thousand, one hundred sixty-eight".