2123042575847 has 2 divisors, whose sum is σ = 2123042575848. Its totient is φ = 2123042575846.

The previous prime is 2123042575763. The next prime is 2123042575883. The reversal of 2123042575847 is 7485752403212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2123042575847 - 2¹⁰ = 2123042574823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123042575795 and 2123042575804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123042575447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061521287923 + 1061521287924.

It is an arithmetic number, because the mean of its divisors is an integer number (1061521287924).

Almost surely, 2^{2123042575847} is an apocalyptic number.

2123042575847 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123042575847 is an equidigital number, since it uses as much as digits as its factorization.

2123042575847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3763200, while the sum is 50.

The spelling of 2123042575847 in words is "two trillion, one hundred twenty-three billion, forty-two million, five hundred seventy-five thousand, eight hundred forty-seven".