23488218 has 80 divisors (see below), whose sum is σ = 59764320. Its totient is φ = 6835104.

The previous prime is 23488217. The next prime is 23488219. The reversal of 23488218 is 81288432.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23488217) and next prime (23488219).

It is not an unprimeable number, because it can be changed into a prime (23488217) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39721 + ... + 40307.

It is an arithmetic number, because the mean of its divisors is an integer number (747054).

Almost surely, 2^23488218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23488218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29882160).

23488218 is an abundant number, since it is smaller than the sum of its proper divisors (36276102).

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

23488218 is a wasteful number, since it uses less digits than its factorization.

23488218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 624 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 23488218 is about 4846.4644845495. The cubic root of 23488218 is about 286.3848389991.

The spelling of 23488218 in words is "twenty-three million, four hundred eighty-eight thousand, two hundred eighteen".