1004101243123 has 4 divisors (see below), whose sum is σ = 1095383174328. Its totient is φ = 912819311920.

The previous prime is 1004101243121. The next prime is 1004101243141. The reversal of 1004101243123 is 3213421014001.

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

It is a cyclic number.

It is not a de Polignac number, because 1004101243123 - 2¹ = 1004101243121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1004101243094 and 1004101243103.

It is not an unprimeable number, because it can be changed into a prime (1004101243121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45640965586 + ... + 45640965607.

It is an arithmetic number, because the mean of its divisors is an integer number (273845793582).

Almost surely, 2^{1004101243123} is an apocalyptic number.

1004101243123 is a deficient number, since it is larger than the sum of its proper divisors (91281931205).

1004101243123 is an equidigital number, since it uses as much as digits as its factorization.

1004101243123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91281931204.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1004101243123 its reverse (3213421014001), we get a palindrome (4217522257124).

The spelling of 1004101243123 in words is "one trillion, four billion, one hundred one million, two hundred forty-three thousand, one hundred twenty-three".