3668780123 has 2 divisors, whose sum is σ = 3668780124. Its totient is φ = 3668780122.

The previous prime is 3668780083. The next prime is 3668780131. The reversal of 3668780123 is 3210878663.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3668780123 is a prime.

It is not a weakly prime, because it can be changed into another prime (3668780173) 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, 1834390061 + 1834390062.

It is an arithmetic number, because the mean of its divisors is an integer number (1834390062).

Almost surely, 2^3668780123 is an apocalyptic number.

3668780123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3668780123 is an equidigital number, since it uses as much as digits as its factorization.

3668780123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 3668780123 is about 60570.4558592719. The cubic root of 3668780123 is about 1542.3178851372.

The spelling of 3668780123 in words is "three billion, six hundred sixty-eight million, seven hundred eighty thousand, one hundred twenty-three".