23027240 has 64 divisors (see below), whose sum is σ = 55944000. Its totient is φ = 8501760.

The previous prime is 23027239. The next prime is 23027243. The reversal of 23027240 is 4272032.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (23027243) 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, 30791 + ... + 31529.

It is an arithmetic number, because the mean of its divisors is an integer number (874125).

Almost surely, 2^23027240 is an apocalyptic number.

23027240 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 23027240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27972000).

23027240 is an abundant number, since it is smaller than the sum of its proper divisors (32916760).

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

23027240 is a wasteful number, since it uses less digits than its factorization.

23027240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 23027240 is about 4798.6706492528. The cubic root of 23027240 is about 284.4989246142.

Adding to 23027240 its reverse (4272032), we get a palindrome (27299272).

The spelling of 23027240 in words is "twenty-three million, twenty-seven thousand, two hundred forty".