1045502143123 has 4 divisors (see below), whose sum is σ = 1073758957840. Its totient is φ = 1017245328408.

The previous prime is 1045502143121. The next prime is 1045502143151. The reversal of 1045502143123 is 3213412055401.

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

It is not a de Polignac number, because 1045502143123 - 2¹ = 1045502143121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045502143121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14128407303 + ... + 14128407376.

It is an arithmetic number, because the mean of its divisors is an integer number (268439739460).

Almost surely, 2^{1045502143123} is an apocalyptic number.

1045502143123 is a deficient number, since it is larger than the sum of its proper divisors (28256814717).

1045502143123 is an equidigital number, since it uses as much as digits as its factorization.

1045502143123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28256814716.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1045502143123 its reverse (3213412055401), we get a palindrome (4258914198524).

The spelling of 1045502143123 in words is "one trillion, forty-five billion, five hundred two million, one hundred forty-three thousand, one hundred twenty-three".