23031244 has 6 divisors (see below), whose sum is σ = 40304684. Its totient is φ = 11515620.

The previous prime is 23031227. The next prime is 23031247. The reversal of 23031244 is 44213032.

It is not an unprimeable number, because it can be changed into a prime (23031247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2878902 + ... + 2878909.

Almost surely, 2^23031244 is an apocalyptic number.

It is an amenable number.

23031244 is a deficient number, since it is larger than the sum of its proper divisors (17273440).

23031244 is a wasteful number, since it uses less digits than its factorization.

23031244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757815 (or 5757813 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 23031244 is about 4799.0878299944. The cubic root of 23031244 is about 284.5154133130.

Adding to 23031244 its reverse (44213032), we get a palindrome (67244276).

The spelling of 23031244 in words is "twenty-three million, thirty-one thousand, two hundred forty-four".