200668913623 has 2 divisors, whose sum is σ = 200668913624. Its totient is φ = 200668913622.

The previous prime is 200668913567. The next prime is 200668913651. The reversal of 200668913623 is 326319866002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200668913623 - 2³⁷ = 63229960151 is a prime.

It is a super-2 number, since 2×200668913623² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200668913663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100334456811 + 100334456812.

It is an arithmetic number, because the mean of its divisors is an integer number (100334456812).

Almost surely, 2^200668913623 is an apocalyptic number.

200668913623 is a deficient number, since it is larger than the sum of its proper divisors (1).

200668913623 is an equidigital number, since it uses as much as digits as its factorization.

200668913623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 200668913623 in words is "two hundred billion, six hundred sixty-eight million, nine hundred thirteen thousand, six hundred twenty-three".