2123273714640 has 160 divisors (see below), whose sum is σ = 7253316174720. Its totient is φ = 510497261568.

The previous prime is 2123273714621. The next prime is 2123273714657. The reversal of 2123273714640 is 464173723212.

It is a super-2 number, since 2×2123273714640² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2123273714592 and 2123273714601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7779055 + ... + 8047374.

It is an arithmetic number, because the mean of its divisors is an integer number (45333226092).

Almost surely, 2^{2123273714640} is an apocalyptic number.

2123273714640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123273714640 is an abundant number, since it is smaller than the sum of its proper divisors (5130042460080).

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

2123273714640 is a wasteful number, since it uses less digits than its factorization.

2123273714640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15826501 (or 15826495 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 2123273714640 in words is "two trillion, one hundred twenty-three billion, two hundred seventy-three million, seven hundred fourteen thousand, six hundred forty".