1042300123 has 2 divisors, whose sum is σ = 1042300124. Its totient is φ = 1042300122.

The previous prime is 1042300117. The next prime is 1042300163. The reversal of 1042300123 is 3210032401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042300123 - 2⁹ = 1042299611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042300097 and 1042300106.

It is not a weakly prime, because it can be changed into another prime (1042300163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521150061 + 521150062.

It is an arithmetic number, because the mean of its divisors is an integer number (521150062).

Almost surely, 2^1042300123 is an apocalyptic number.

1042300123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042300123 is an equidigital number, since it uses as much as digits as its factorization.

1042300123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1042300123 is about 32284.6731902307. The cubic root of 1042300123 is about 1013.9057741236.

Adding to 1042300123 its reverse (3210032401), we get a palindrome (4252332524).

The spelling of 1042300123 in words is "one billion, forty-two million, three hundred thousand, one hundred twenty-three".