23115242 has 8 divisors (see below), whose sum is σ = 35112000. Its totient is φ = 11411244.

The previous prime is 23115241. The next prime is 23115247. The reversal of 23115242 is 24251132.

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

It is not an unprimeable number, because it can be changed into a prime (23115241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72992 + ... + 73307.

It is an arithmetic number, because the mean of its divisors is an integer number (4389000).

Almost surely, 2^23115242 is an apocalyptic number.

23115242 is a deficient number, since it is larger than the sum of its proper divisors (11996758).

23115242 is a wasteful number, since it uses less digits than its factorization.

23115242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146380.

The product of its digits is 480, while the sum is 20.

The square root of 23115242 is about 4807.8313198364. The cubic root of 23115242 is about 284.8608821390.

Adding to 23115242 its reverse (24251132), we get a palindrome (47366374).

The spelling of 23115242 in words is "twenty-three million, one hundred fifteen thousand, two hundred forty-two".