11231311203023 has 8 divisors (see below), whose sum is σ = 11276806995216. Its totient is φ = 11185821360000.

The previous prime is 11231311203019. The next prime is 11231311203089. The reversal of 11231311203023 is 32030211313211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11231311203023 - 2² = 11231311203019 is a prime.

It is a super-2 number, since 2×11231311203023² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11231311203023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231311203823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2315765 + ... + 5274977.

It is an arithmetic number, because the mean of its divisors is an integer number (1409600874402).

Almost surely, 2^{11231311203023} is an apocalyptic number.

11231311203023 is a deficient number, since it is larger than the sum of its proper divisors (45495792193).

11231311203023 is a wasteful number, since it uses less digits than its factorization.

11231311203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974585.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11231311203023 its reverse (32030211313211), we get a palindrome (43261522516234).

The spelling of 11231311203023 in words is "eleven trillion, two hundred thirty-one billion, three hundred eleven million, two hundred three thousand, twenty-three".