23041240 has 16 divisors (see below), whose sum is σ = 51842880. Its totient is φ = 9216480.

The previous prime is 23041223. The next prime is 23041247. The reversal of 23041240 is 4214032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23041247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287976 + ... + 288055.

It is an arithmetic number, because the mean of its divisors is an integer number (3240180).

Almost surely, 2^23041240 is an apocalyptic number.

23041240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23041240 is an abundant number, since it is smaller than the sum of its proper divisors (28801640).

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

23041240 is a wasteful number, since it uses less digits than its factorization.

23041240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576042 (or 576038 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 23041240 is about 4800.1291649288. The cubic root of 23041240 is about 284.5565690682.

Adding to 23041240 its reverse (4214032), we get a palindrome (27255272).

The spelling of 23041240 in words is "twenty-three million, forty-one thousand, two hundred forty".