23031224442 has 24 divisors (see below), whose sum is σ = 49911806880. Its totient is φ = 7675410120.

The previous prime is 23031224431. The next prime is 23031224449. The reversal of 23031224442 is 24442213032.

It is a super-2 number, since 2×23031224442² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23031224449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51942 + ... + 220817.

It is an arithmetic number, because the mean of its divisors is an integer number (2079658620).

Almost surely, 2^23031224442 is an apocalyptic number.

23031224442 is an abundant number, since it is smaller than the sum of its proper divisors (26880582438).

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

23031224442 is a wasteful number, since it uses less digits than its factorization.

23031224442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277458 (or 277455 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 23031224442 its reverse (24442213032), we get a palindrome (47473437474).

The spelling of 23031224442 in words is "twenty-three billion, thirty-one million, two hundred twenty-four thousand, four hundred forty-two".