1230123323201 has 2 divisors, whose sum is σ = 1230123323202. Its totient is φ = 1230123323200.

The previous prime is 1230123323189. The next prime is 1230123323237. The reversal of 1230123323201 is 1023233210321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1224430771600 + 5692551601 = 1106540^2 + 75449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230123323201 - 2¹⁴ = 1230123306817 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230123323291) 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, 615061661600 + 615061661601.

It is an arithmetic number, because the mean of its divisors is an integer number (615061661601).

Almost surely, 2^{1230123323201} is an apocalyptic number.

It is an amenable number.

1230123323201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230123323201 is an equidigital number, since it uses as much as digits as its factorization.

1230123323201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1230123323201 its reverse (1023233210321), we get a palindrome (2253356533522).

The spelling of 1230123323201 in words is "one trillion, two hundred thirty billion, one hundred twenty-three million, three hundred twenty-three thousand, two hundred one".