2123343312432 has 20 divisors (see below), whose sum is σ = 5485303557240. Its totient is φ = 707781104128.

The previous prime is 2123343312407. The next prime is 2123343312449. The reversal of 2123343312432 is 2342133433212.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2123343312393 and 2123343312402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22118159457 + ... + 22118159552.

It is an arithmetic number, because the mean of its divisors is an integer number (274265177862).

Almost surely, 2^{2123343312432} is an apocalyptic number.

It is an amenable number.

2123343312432 is an abundant number, since it is smaller than the sum of its proper divisors (3361960244808).

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

2123343312432 is a wasteful number, since it uses less digits than its factorization.

2123343312432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44236319020 (or 44236319014 counting only the distinct ones).

The product of its digits is 62208, while the sum is 33.

Adding to 2123343312432 its reverse (2342133433212), we get a palindrome (4465476745644).

The spelling of 2123343312432 in words is "two trillion, one hundred twenty-three billion, three hundred forty-three million, three hundred twelve thousand, four hundred thirty-two".