23223440242445 has 4 divisors (see below), whose sum is σ = 27868128290940. Its totient is φ = 18578752193952.

The previous prime is 23223440242421. The next prime is 23223440242531. The reversal of 23223440242445 is 54424204432232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3233357807716 + 19990082434729 = 1798154^2 + 4471027^2 .

It is a cyclic number.

It is not a de Polignac number, because 23223440242445 - 2¹⁴ = 23223440226061 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2322344024240 + ... + 2322344024249.

It is an arithmetic number, because the mean of its divisors is an integer number (6967032072735).

Almost surely, 2^{23223440242445} is an apocalyptic number.

It is an amenable number.

23223440242445 is a deficient number, since it is larger than the sum of its proper divisors (4644688048495).

23223440242445 is an equidigital number, since it uses as much as digits as its factorization.

23223440242445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644688048494.

The product of its (nonzero) digits is 1474560, while the sum is 41.

Adding to 23223440242445 its reverse (54424204432232), we get a palindrome (77647644674677).

The spelling of 23223440242445 in words is "twenty-three trillion, two hundred twenty-three billion, four hundred forty million, two hundred forty-two thousand, four hundred forty-five".