1331123232023 has 16 divisors (see below), whose sum is σ = 1442048237280. Its totient is φ = 1221421908096.

The previous prime is 1331123232017. The next prime is 1331123232073. The reversal of 1331123232023 is 3202323211331.

It is a de Polignac number, because none of the positive numbers 2^k-1331123232023 is a prime.

It is a super-3 number, since 3×1331123232023³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331123231983 and 1331123232001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331123232073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6406361 + ... + 6610877.

It is an arithmetic number, because the mean of its divisors is an integer number (90128014830).

Almost surely, 2^{1331123232023} is an apocalyptic number.

1331123232023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1331123232023 is a deficient number, since it is larger than the sum of its proper divisors (110925005257).

1331123232023 is a wasteful number, since it uses less digits than its factorization.

1331123232023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207506.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1331123232023 its reverse (3202323211331), we get a palindrome (4533446443354).

The spelling of 1331123232023 in words is "one trillion, three hundred thirty-one billion, one hundred twenty-three million, two hundred thirty-two thousand, twenty-three".