1203331011023 has 4 divisors (see below), whose sum is σ = 1274115188160. Its totient is φ = 1132546833888.

The previous prime is 1203331011017. The next prime is 1203331011067. The reversal of 1203331011023 is 3201101333021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1203331011023 - 2²⁸ = 1203062575567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203331010986 and 1203331011004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203331011073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35392088543 + ... + 35392088576.

It is an arithmetic number, because the mean of its divisors is an integer number (318528797040).

Almost surely, 2^{1203331011023} is an apocalyptic number.

1203331011023 is a deficient number, since it is larger than the sum of its proper divisors (70784177137).

1203331011023 is an equidigital number, since it uses as much as digits as its factorization.

1203331011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70784177136.

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

Adding to 1203331011023 its reverse (3201101333021), we get a palindrome (4404432344044).

The spelling of 1203331011023 in words is "one trillion, two hundred three billion, three hundred thirty-one million, eleven thousand, twenty-three".