2123323131232 has 48 divisors (see below), whose sum is σ = 4397736142800. Its totient is φ = 1007678748160.

The previous prime is 2123323131227. The next prime is 2123323131263. The reversal of 2123323131232 is 2321313233212.

It is a happy number.

It is a super-2 number, since 2×2123323131232² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2123323131232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19335619 + ... + 19445122.

It is an arithmetic number, because the mean of its divisors is an integer number (91619502975).

Almost surely, 2^{2123323131232} is an apocalyptic number.

It is an amenable number.

2123323131232 is an abundant number, since it is smaller than the sum of its proper divisors (2274413011568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123323131232 is a wasteful number, since it uses less digits than its factorization.

2123323131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38780839 (or 38780831 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

Adding to 2123323131232 its reverse (2321313233212), we get a palindrome (4444636364444).

The spelling of 2123323131232 in words is "two trillion, one hundred twenty-three billion, three hundred twenty-three million, one hundred thirty-one thousand, two hundred thirty-two".