1063642123 has 2 divisors, whose sum is σ = 1063642124. Its totient is φ = 1063642122.

The previous prime is 1063642103. The next prime is 1063642141. The reversal of 1063642123 is 3212463601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1063642123 - 2⁹ = 1063641611 is a prime.

It is a super-2 number, since 2×1063642123² = 2262669131639894258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1063642091 and 1063642100.

It is not a weakly prime, because it can be changed into another prime (1063642103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531821061 + 531821062.

It is an arithmetic number, because the mean of its divisors is an integer number (531821062).

Almost surely, 2^1063642123 is an apocalyptic number.

1063642123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063642123 is an equidigital number, since it uses as much as digits as its factorization.

1063642123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1063642123 is about 32613.5266875571. The cubic root of 1063642123 is about 1020.7792721695.

The spelling of 1063642123 in words is "one billion, sixty-three million, six hundred forty-two thousand, one hundred twenty-three".