23381242 has 8 divisors (see below), whose sum is σ = 35328276. Its totient is φ = 11605152.

The previous prime is 23381233. The next prime is 23381249. The reversal of 23381242 is 24218332.

It can be written as a sum of positive squares in 2 ways, for example, as 23319241 + 62001 = 4829^2 + 249^2 .

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 (23381249) 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, 42393 + ... + 42940.

Almost surely, 2^23381242 is an apocalyptic number.

23381242 is a deficient number, since it is larger than the sum of its proper divisors (11947034).

23381242 is a wasteful number, since it uses less digits than its factorization.

23381242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85472.

The product of its digits is 2304, while the sum is 25.

The square root of 23381242 is about 4835.4153906361. The cubic root of 23381242 is about 285.9494017780.

Adding to 23381242 its reverse (24218332), we get a palindrome (47599574).

The spelling of 23381242 in words is "twenty-three million, three hundred eighty-one thousand, two hundred forty-two".