23431222242 has 32 divisors (see below), whose sum is σ = 52074644160. Its totient is φ = 7809618240.

The previous prime is 23431222229. The next prime is 23431222253. The reversal of 23431222242 is 24222213432.

23431222242 is a `hidden beast` number, since 2 + 3 + 431 + 2 + 2 + 224 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 800538 + ... + 829290.

It is an arithmetic number, because the mean of its divisors is an integer number (1627332630).

Almost surely, 2^23431222242 is an apocalyptic number.

23431222242 is an abundant number, since it is smaller than the sum of its proper divisors (28643421918).

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

23431222242 is a wasteful number, since it uses less digits than its factorization.

23431222242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43855 (or 43849 counting only the distinct ones).

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

Adding to 23431222242 its reverse (24222213432), we get a palindrome (47653435674).

The spelling of 23431222242 in words is "twenty-three billion, four hundred thirty-one million, two hundred twenty-two thousand, two hundred forty-two".