1203011131023 has 96 divisors (see below), whose sum is σ = 2022105845760. Its totient is φ = 682814292480.

The previous prime is 1203011131001. The next prime is 1203011131039. The reversal of 1203011131023 is 3201311103021.

1203011131023 is a `hidden beast` number, since 1 + 20 + 301 + 11 + 310 + 23 = 666.

It is not a de Polignac number, because 1203011131023 - 2¹² = 1203011126927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1203011130987 and 1203011131005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203011131123) 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 in 95 ways as a sum of consecutive naturals, for example, 44373090 + ... + 44400192.

It is an arithmetic number, because the mean of its divisors is an integer number (21063602560).

Almost surely, 2^{1203011131023} is an apocalyptic number.

1203011131023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1203011131023 is a deficient number, since it is larger than the sum of its proper divisors (819094714737).

1203011131023 is a wasteful number, since it uses less digits than its factorization.

1203011131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27669 (or 27666 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1203011131023 its reverse (3201311103021), we get a palindrome (4404322234044).

The spelling of 1203011131023 in words is "one trillion, two hundred three billion, eleven million, one hundred thirty-one thousand, twenty-three".