23240360 has 128 divisors (see below), whose sum is σ = 65318400. Its totient is φ = 7311360.

The previous prime is 23240291. The next prime is 23240381. The reversal of 23240360 is 6304232.

It is a super-2 number, since 2×23240360² = 1080228665859200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 97121 + ... + 97359.

It is an arithmetic number, because the mean of its divisors is an integer number (510300).

Almost surely, 2^23240360 is an apocalyptic number.

23240360 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 23240360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32659200).

23240360 is an abundant number, since it is smaller than the sum of its proper divisors (42078040).

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

23240360 is a wasteful number, since it uses less digits than its factorization.

23240360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 23240360 is about 4820.8256554246. The cubic root of 23240360 is about 285.3739218374.

Adding to 23240360 its reverse (6304232), we get a palindrome (29544592).

The spelling of 23240360 in words is "twenty-three million, two hundred forty thousand, three hundred sixty".