1001233233 has 144 divisors (see below), whose sum is σ = 1995162624. Its totient is φ = 469722240.

The previous prime is 1001233231. The next prime is 1001233237. The reversal of 1001233233 is 3323321001.

It is not a de Polignac number, because 1001233233 - 2¹ = 1001233231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001233231) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9720660 + ... + 9720762.

It is an arithmetic number, because the mean of its divisors is an integer number (13855296).

Almost surely, 2^1001233233 is an apocalyptic number.

1001233233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1001233233 is a deficient number, since it is larger than the sum of its proper divisors (993929391).

1001233233 is a wasteful number, since it uses less digits than its factorization.

1001233233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1001233233 is about 31642.2697194749. The cubic root of 1001233233 is about 1000.4109087975.

Adding to 1001233233 its reverse (3323321001), we get a palindrome (4324554234).

The spelling of 1001233233 in words is "one billion, one million, two hundred thirty-three thousand, two hundred thirty-three".