23522320042 has 8 divisors (see below), whose sum is σ = 37997593956. Its totient is φ = 10856455392.

The previous prime is 23522320039. The next prime is 23522320091. The reversal of 23522320042 is 24002322532.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23255945001 + 266375041 = 152499^2 + 16321^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23522319989 and 23522320016.

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 3 ways as a sum of consecutive naturals, for example, 452352283 + ... + 452352334.

Almost surely, 2^23522320042 is an apocalyptic number.

23522320042 is a deficient number, since it is larger than the sum of its proper divisors (14475273914).

23522320042 is a wasteful number, since it uses less digits than its factorization.

23522320042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904704632.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 23522320042 its reverse (24002322532), we get a palindrome (47524642574).

The spelling of 23522320042 in words is "twenty-three billion, five hundred twenty-two million, three hundred twenty thousand, forty-two".