1201004031023 has 2 divisors, whose sum is σ = 1201004031024. Its totient is φ = 1201004031022.

The previous prime is 1201004031001. The next prime is 1201004031119. The reversal of 1201004031023 is 3201304001021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201004031023 - 2⁶ = 1201004030959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201004030992 and 1201004031010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201004021023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600502015511 + 600502015512.

It is an arithmetic number, because the mean of its divisors is an integer number (600502015512).

Almost surely, 2^{1201004031023} is an apocalyptic number.

1201004031023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201004031023 is an equidigital number, since it uses as much as digits as its factorization.

1201004031023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1201004031023 its reverse (3201304001021), we get a palindrome (4402308032044).

The spelling of 1201004031023 in words is "one trillion, two hundred one billion, four million, thirty-one thousand, twenty-three".