200290423 has 2 divisors, whose sum is σ = 200290424. Its totient is φ = 200290422.

The previous prime is 200290399. The next prime is 200290459. The reversal of 200290423 is 324092002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200290423 - 2²¹ = 198193271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200290394 and 200290403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200290483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100145211 + 100145212.

It is an arithmetic number, because the mean of its divisors is an integer number (100145212).

Almost surely, 2^200290423 is an apocalyptic number.

200290423 is a deficient number, since it is larger than the sum of its proper divisors (1).

200290423 is an equidigital number, since it uses as much as digits as its factorization.

200290423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 200290423 is about 14152.3999024900. The cubic root of 200290423 is about 585.0864780721.

The spelling of 200290423 in words is "two hundred million, two hundred ninety thousand, four hundred twenty-three".