2123063654442 has 32 divisors (see below), whose sum is σ = 4330089308160. Its totient is φ = 693824392560.

The previous prime is 2123063654431. The next prime is 2123063654471. The reversal of 2123063654442 is 2444563603212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2123063654394 and 2123063654403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16206442 + ... + 16336917.

It is an arithmetic number, because the mean of its divisors is an integer number (135315290880).

Almost surely, 2^{2123063654442} is an apocalyptic number.

2123063654442 is an abundant number, since it is smaller than the sum of its proper divisors (2207025653718).

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

2123063654442 is a wasteful number, since it uses less digits than its factorization.

2123063654442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32543578.

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 2123063654442 in words is "two trillion, one hundred twenty-three billion, sixty-three million, six hundred fifty-four thousand, four hundred forty-two".