1131322223023 has 8 divisors (see below), whose sum is σ = 1138137023520. Its totient is φ = 1124507904000.

The previous prime is 1131322222981. The next prime is 1131322223069. The reversal of 1131322223023 is 3203222231311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131322223023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131322223723) 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, 5335023 + ... + 5543023.

It is an arithmetic number, because the mean of its divisors is an integer number (142267127940).

Almost surely, 2^{1131322223023} is an apocalyptic number.

1131322223023 is a deficient number, since it is larger than the sum of its proper divisors (6814800497).

1131322223023 is a wasteful number, since it uses less digits than its factorization.

1131322223023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240737.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1131322223023 its reverse (3203222231311), we get a palindrome (4334544454334).

The spelling of 1131322223023 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-two million, two hundred twenty-three thousand, twenty-three".