2123001443020 has 12 divisors (see below), whose sum is σ = 4458303030384. Its totient is φ = 849200577200.

The previous prime is 2123001442979. The next prime is 2123001443063. The reversal of 2123001443020 is 203441003212.

It is a junction number, because it is equal to n+sod(n) for n = 2123001442982 and 2123001443000.

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, 53075036056 + ... + 53075036095.

It is an arithmetic number, because the mean of its divisors is an integer number (371525252532).

Almost surely, 2^{2123001443020} is an apocalyptic number.

2123001443020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123001443020 is an abundant number, since it is smaller than the sum of its proper divisors (2335301587364).

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

2123001443020 is a wasteful number, since it uses less digits than its factorization.

2123001443020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106150072160 (or 106150072158 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2123001443020 its reverse (203441003212), we get a palindrome (2326442446232).

The spelling of 2123001443020 in words is "two trillion, one hundred twenty-three billion, one million, four hundred forty-three thousand, twenty".