1230123022123 has 2 divisors, whose sum is σ = 1230123022124. Its totient is φ = 1230123022122.

The previous prime is 1230123022109. The next prime is 1230123022129. The reversal of 1230123022123 is 3212203210321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230123022123 - 2³³ = 1221533087531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230123022094 and 1230123022103.

It is not a weakly prime, because it can be changed into another prime (1230123022129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615061511061 + 615061511062.

It is an arithmetic number, because the mean of its divisors is an integer number (615061511062).

Almost surely, 2^{1230123022123} is an apocalyptic number.

1230123022123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230123022123 is an equidigital number, since it uses as much as digits as its factorization.

1230123022123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1230123022123 its reverse (3212203210321), we get a palindrome (4442326232444).

The spelling of 1230123022123 in words is "one trillion, two hundred thirty billion, one hundred twenty-three million, twenty-two thousand, one hundred twenty-three".