1201331103023 has 2 divisors, whose sum is σ = 1201331103024. Its totient is φ = 1201331103022.

The previous prime is 1201331102971. The next prime is 1201331103083. The reversal of 1201331103023 is 3203011331021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201331103023 - 2³⁸ = 926453196079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201331102986 and 1201331103004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201331103083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600665551511 + 600665551512.

It is an arithmetic number, because the mean of its divisors is an integer number (600665551512).

Almost surely, 2^{1201331103023} is an apocalyptic number.

1201331103023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201331103023 is an equidigital number, since it uses as much as digits as its factorization.

1201331103023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1201331103023 its reverse (3203011331021), we get a palindrome (4404342434044).

The spelling of 1201331103023 in words is "one trillion, two hundred one billion, three hundred thirty-one million, one hundred three thousand, twenty-three".