23168280 has 128 divisors (see below), whose sum is σ = 75660480. Its totient is φ = 5652480.

The previous prime is 23168279. The next prime is 23168287. The reversal of 23168280 is 8286132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23168287) 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, 83502 + ... + 83778.

Almost surely, 2^23168280 is an apocalyptic number.

23168280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23168280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37830240).

23168280 is an abundant number, since it is smaller than the sum of its proper divisors (52492200).

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

23168280 is a wasteful number, since it uses less digits than its factorization.

23168280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 23168280 is about 4813.3439519735. The cubic root of 23168280 is about 285.0785871308.

The spelling of 23168280 in words is "twenty-three million, one hundred sixty-eight thousand, two hundred eighty".