2175023047 has 2 divisors, whose sum is σ = 2175023048. Its totient is φ = 2175023046.

The previous prime is 2175023021. The next prime is 2175023057. The reversal of 2175023047 is 7403205712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2175023047 - 2¹¹ = 2175020999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2175023057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087511523 + 1087511524.

It is an arithmetic number, because the mean of its divisors is an integer number (1087511524).

Almost surely, 2^2175023047 is an apocalyptic number.

2175023047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2175023047 is an equidigital number, since it uses as much as digits as its factorization.

2175023047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 2175023047 is about 46637.1423545654. The cubic root of 2175023047 is about 1295.6507608150.

Adding to 2175023047 its reverse (7403205712), we get a palindrome (9578228759).

The spelling of 2175023047 in words is "two billion, one hundred seventy-five million, twenty-three thousand, forty-seven".