990233203 has 4 divisors (see below), whose sum is σ = 1042350760. Its totient is φ = 938115648.

The previous prime is 990233201. The next prime is 990233213. The reversal of 990233203 is 302332099.

990233203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 990233203 - 2¹ = 990233201 is a prime.

It is a super-3 number, since 3×990233203³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990233201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26058750 + ... + 26058787.

It is an arithmetic number, because the mean of its divisors is an integer number (260587690).

Almost surely, 2^990233203 is an apocalyptic number.

990233203 is a deficient number, since it is larger than the sum of its proper divisors (52117557).

990233203 is a wasteful number, since it uses less digits than its factorization.

990233203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52117556.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 990233203 is about 31467.9710658314. The cubic root of 990233203 is about 996.7337441882.

The spelling of 990233203 in words is "nine hundred ninety million, two hundred thirty-three thousand, two hundred three".