200011023 has 12 divisors (see below), whose sum is σ = 289936608. Its totient is φ = 132864480.

The previous prime is 200010983. The next prime is 200011033. The reversal of 200011023 is 320110002.

It is a happy number.

It is not a de Polignac number, because 200011023 - 2¹² = 200006927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200010996 and 200011014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200011033) 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 in 11 ways as a sum of consecutive naturals, for example, 37015 + ... + 42072.

It is an arithmetic number, because the mean of its divisors is an integer number (24161384).

Almost surely, 2^200011023 is an apocalyptic number.

200011023 is a deficient number, since it is larger than the sum of its proper divisors (89925585).

200011023 is a wasteful number, since it uses less digits than its factorization.

200011023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79374 (or 79371 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 200011023 is about 14142.5253402637. The cubic root of 200011023 is about 584.8142912610.

Adding to 200011023 its reverse (320110002), we get a palindrome (520121025).

The spelling of 200011023 in words is "two hundred million, eleven thousand, twenty-three".