23040242 has 8 divisors (see below), whose sum is σ = 34628016. Its totient is φ = 11497572.

The previous prime is 23040229. The next prime is 23040247. The reversal of 23040242 is 24204032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23040242.

It is not an unprimeable number, because it can be changed into a prime (23040247) 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, 9968 + ... + 12059.

It is an arithmetic number, because the mean of its divisors is an integer number (4328502).

Almost surely, 2^23040242 is an apocalyptic number.

23040242 is a deficient number, since it is larger than the sum of its proper divisors (11587774).

23040242 is a wasteful number, since it uses less digits than its factorization.

23040242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22552.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 23040242 is about 4800.0252082671. The cubic root of 23040242 is about 284.5524606152.

Adding to 23040242 its reverse (24204032), we get a palindrome (47244274).

The spelling of 23040242 in words is "twenty-three million, forty thousand, two hundred forty-two".