1323131131023 has 8 divisors (see below), whose sum is σ = 1899880598448. Its totient is φ = 814234542144.

The previous prime is 1323131130973. The next prime is 1323131131027. The reversal of 1323131131023 is 3201311313231.

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

It is not a de Polignac number, because 1323131131023 - 2¹⁴ = 1323131114639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323131130984 and 1323131131002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323131131027) 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 7 ways as a sum of consecutive naturals, for example, 16963219590 + ... + 16963219667.

It is an arithmetic number, because the mean of its divisors is an integer number (237485074806).

Almost surely, 2^{1323131131023} is an apocalyptic number.

1323131131023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1323131131023 is a deficient number, since it is larger than the sum of its proper divisors (576749467425).

1323131131023 is a wasteful number, since it uses less digits than its factorization.

1323131131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33926439273.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1323131131023 its reverse (3201311313231), we get a palindrome (4524442444254).

The spelling of 1323131131023 in words is "one trillion, three hundred twenty-three billion, one hundred thirty-one million, one hundred thirty-one thousand, twenty-three".