1204231022123 has 2 divisors, whose sum is σ = 1204231022124. Its totient is φ = 1204231022122.

The previous prime is 1204231022117. The next prime is 1204231022143. The reversal of 1204231022123 is 3212201324021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1204231022123 - 2¹⁴ = 1204231005739 is a prime.

It is not a weakly prime, because it can be changed into another prime (1204231022143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602115511061 + 602115511062.

It is an arithmetic number, because the mean of its divisors is an integer number (602115511062).

Almost surely, 2^{1204231022123} is an apocalyptic number.

1204231022123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204231022123 is an equidigital number, since it uses as much as digits as its factorization.

1204231022123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1204231022123 its reverse (3212201324021), we get a palindrome (4416432346144).

The spelling of 1204231022123 in words is "one trillion, two hundred four billion, two hundred thirty-one million, twenty-two thousand, one hundred twenty-three".