23310443404442 has 16 divisors (see below), whose sum is σ = 35001577923840. Its totient is φ = 11643255515088.

The previous prime is 23310443404439. The next prime is 23310443404463. The reversal of 23310443404442 is 24440434401332.

It is a junction number, because it is equal to n+sod(n) for n = 23310443404396 and 23310443404405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8646368 + ... + 11017284.

It is an arithmetic number, because the mean of its divisors is an integer number (2187598620240).

Almost surely, 2^{23310443404442} is an apocalyptic number.

23310443404442 is a deficient number, since it is larger than the sum of its proper divisors (11691134519398).

23310443404442 is a wasteful number, since it uses less digits than its factorization.

23310443404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375965.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 23310443404442 its reverse (24440434401332), we get a palindrome (47750877805774).

The spelling of 23310443404442 in words is "twenty-three trillion, three hundred ten billion, four hundred forty-three million, four hundred four thousand, four hundred forty-two".