23145360 has 160 divisors (see below), whose sum is σ = 85708800. Its totient is φ = 5051904.

The previous prime is 23145359. The next prime is 23145371. The reversal of 23145360 is 6354132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23145360.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38341 + ... + 38939.

It is an arithmetic number, because the mean of its divisors is an integer number (535680).

Almost surely, 2^23145360 is an apocalyptic number.

23145360 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 23145360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42854400).

23145360 is an abundant number, since it is smaller than the sum of its proper divisors (62563440).

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

23145360 is a wasteful number, since it uses less digits than its factorization.

23145360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 23145360 is about 4810.9624816662. The cubic root of 23145360 is about 284.9845482543.

Adding to 23145360 its reverse (6354132), we get a palindrome (29499492).

The spelling of 23145360 in words is "twenty-three million, one hundred forty-five thousand, three hundred sixty".