10243404123242 has 16 divisors (see below), whose sum is σ = 15690910550400. Its totient is φ = 5013827038080.

The previous prime is 10243404123241. The next prime is 10243404123269. The reversal of 10243404123242 is 24232140434201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10243404123199 and 10243404123208.

It is not an unprimeable number, because it can be changed into a prime (10243404123241) by changing a digit.

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, 181579559 + ... + 181635962.

It is an arithmetic number, because the mean of its divisors is an integer number (980681909400).

Almost surely, 2^{10243404123242} is an apocalyptic number.

10243404123242 is a deficient number, since it is larger than the sum of its proper divisors (5447506427158).

10243404123242 is a wasteful number, since it uses less digits than its factorization.

10243404123242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363215821.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 10243404123242 its reverse (24232140434201), we get a palindrome (34475544557443).

The spelling of 10243404123242 in words is "ten trillion, two hundred forty-three billion, four hundred four million, one hundred twenty-three thousand, two hundred forty-two".