200947823 has 2 divisors, whose sum is σ = 200947824. Its totient is φ = 200947822.

The previous prime is 200947811. The next prime is 200947907. The reversal of 200947823 is 328749002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200947823 - 2⁶ = 200947759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200947223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100473911 + 100473912.

It is an arithmetic number, because the mean of its divisors is an integer number (100473912).

Almost surely, 2^200947823 is an apocalyptic number.

200947823 is a deficient number, since it is larger than the sum of its proper divisors (1).

200947823 is an equidigital number, since it uses as much as digits as its factorization.

200947823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 200947823 is about 14175.6066184132. The cubic root of 200947823 is about 585.7259092025.

The spelling of 200947823 in words is "two hundred million, nine hundred forty-seven thousand, eight hundred twenty-three".