2123000027647 has 2 divisors, whose sum is σ = 2123000027648. Its totient is φ = 2123000027646.

The previous prime is 2123000027627. The next prime is 2123000027653. The reversal of 2123000027647 is 7467200003212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123000027647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123000027627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061500013823 + 1061500013824.

It is an arithmetic number, because the mean of its divisors is an integer number (1061500013824).

Almost surely, 2^{2123000027647} is an apocalyptic number.

2123000027647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123000027647 is an equidigital number, since it uses as much as digits as its factorization.

2123000027647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

The spelling of 2123000027647 in words is "two trillion, one hundred twenty-three billion, twenty-seven thousand, six hundred forty-seven".