200243429 has 2 divisors, whose sum is σ = 200243430. Its totient is φ = 200243428.

The previous prime is 200243411. The next prime is 200243441. The reversal of 200243429 is 924342002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199092100 + 1151329 = 14110^2 + 1073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200243429 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 200243398 and 200243407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200243929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100121714 + 100121715.

It is an arithmetic number, because the mean of its divisors is an integer number (100121715).

Almost surely, 2^200243429 is an apocalyptic number.

It is an amenable number.

200243429 is a deficient number, since it is larger than the sum of its proper divisors (1).

200243429 is an equidigital number, since it uses as much as digits as its factorization.

200243429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 200243429 is about 14150.7395213112. The cubic root of 200243429 is about 585.0407150176.

The spelling of 200243429 in words is "two hundred million, two hundred forty-three thousand, four hundred twenty-nine".