1000042400323 has 2 divisors, whose sum is σ = 1000042400324. Its totient is φ = 1000042400322.

The previous prime is 1000042400261. The next prime is 1000042400347. The reversal of 1000042400323 is 3230042400001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000042400323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000042400323.

It is not a weakly prime, because it can be changed into another prime (1000042400363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500021200161 + 500021200162.

It is an arithmetic number, because the mean of its divisors is an integer number (500021200162).

Almost surely, 2^{1000042400323} is an apocalyptic number.

1000042400323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000042400323 is an equidigital number, since it uses as much as digits as its factorization.

1000042400323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 1000042400323 its reverse (3230042400001), we get a palindrome (4230084800324).

The spelling of 1000042400323 in words is "one trillion, forty-two million, four hundred thousand, three hundred twenty-three".