23131323212333 has 16 divisors (see below), whose sum is σ = 27860804190720. Its totient is φ = 18760617426096.

The previous prime is 23131323212297. The next prime is 23131323212357. The reversal of 23131323212333 is 33321232313132.

It is a happy number.

It is not a de Polignac number, because 23131323212333 - 2¹⁰ = 23131323211309 is a prime.

It is a super-2 number, since 2×23131323212333² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23131323212333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131323512333) 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, 105040991 + ... + 105260972.

It is an arithmetic number, because the mean of its divisors is an integer number (1741300261920).

Almost surely, 2^{23131323212333} is an apocalyptic number.

It is an amenable number.

23131323212333 is a deficient number, since it is larger than the sum of its proper divisors (4729480978387).

23131323212333 is a wasteful number, since it uses less digits than its factorization.

23131323212333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210302816.

The product of its digits is 34992, while the sum is 32.

Adding to 23131323212333 its reverse (33321232313132), we get a palindrome (56452555525465).

The spelling of 23131323212333 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred twenty-three million, two hundred twelve thousand, three hundred thirty-three".