1000201233 has 4 divisors (see below), whose sum is σ = 1333601648. Its totient is φ = 666800820.

The previous prime is 1000201231. The next prime is 1000201247. The reversal of 1000201233 is 3321020001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1000201233 - 2¹ = 1000201231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000201231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166700203 + ... + 166700208.

It is an arithmetic number, because the mean of its divisors is an integer number (333400412).

Almost surely, 2^1000201233 is an apocalyptic number.

It is an amenable number.

1000201233 is a deficient number, since it is larger than the sum of its proper divisors (333400415).

1000201233 is an equidigital number, since it uses as much as digits as its factorization.

1000201233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333400414.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1000201233 is about 31625.9582147324. The cubic root of 1000201233 is about 1000.0670731678.

Adding to 1000201233 its reverse (3321020001), we get a palindrome (4321221234).

The spelling of 1000201233 in words is "one billion, two hundred one thousand, two hundred thirty-three".