2123123063 has 2 divisors, whose sum is σ = 2123123064. Its totient is φ = 2123123062.

The previous prime is 2123123059. The next prime is 2123123143. The reversal of 2123123063 is 3603213212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123123063 - 2² = 2123123059 is a prime.

It is a super-3 number, since 3×2123123063³ (a number of 29 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123123363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061561531 + 1061561532.

It is an arithmetic number, because the mean of its divisors is an integer number (1061561532).

Almost surely, 2^2123123063 is an apocalyptic number.

2123123063 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123123063 is an equidigital number, since it uses as much as digits as its factorization.

2123123063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 2123123063 is about 46077.3595489151. The cubic root of 2123123063 is about 1285.2621635511.

Adding to 2123123063 its reverse (3603213212), we get a palindrome (5726336275).

The spelling of 2123123063 in words is "two billion, one hundred twenty-three million, one hundred twenty-three thousand, sixty-three".