2160542123 has 2 divisors, whose sum is σ = 2160542124. Its totient is φ = 2160542122.

The previous prime is 2160542119. The next prime is 2160542171. The reversal of 2160542123 is 3212450612.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2160542123 - 2² = 2160542119 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2160542092 and 2160542101.

It is not a weakly prime, because it can be changed into another prime (2160542173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080271061 + 1080271062.

It is an arithmetic number, because the mean of its divisors is an integer number (1080271062).

Almost surely, 2^2160542123 is an apocalyptic number.

2160542123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2160542123 is an equidigital number, since it uses as much as digits as its factorization.

2160542123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2160542123 is about 46481.6321034449. The cubic root of 2160542123 is about 1292.7689502134.

Adding to 2160542123 its reverse (3212450612), we get a palindrome (5372992735).

The spelling of 2160542123 in words is "two billion, one hundred sixty million, five hundred forty-two thousand, one hundred twenty-three".