23002230442 has 4 divisors (see below), whose sum is σ = 34503345666. Its totient is φ = 11501115220.

The previous prime is 23002230439. The next prime is 23002230487. The reversal of 23002230442 is 24403220032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17392070641 + 5610159801 = 131879^2 + 74901^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 5750557609 + ... + 5750557612.

Almost surely, 2^23002230442 is an apocalyptic number.

23002230442 is a deficient number, since it is larger than the sum of its proper divisors (11501115224).

23002230442 is a wasteful number, since it uses less digits than its factorization.

23002230442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11501115223.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 23002230442 its reverse (24403220032), we get a palindrome (47405450474).

The spelling of 23002230442 in words is "twenty-three billion, two million, two hundred thirty thousand, four hundred forty-two".