1005012233 has 4 divisors (see below), whose sum is σ = 1026395520. Its totient is φ = 983628948.

The previous prime is 1005012199. The next prime is 1005012269. The reversal of 1005012233 is 3322105001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3322105001 = 331 ⋅10036571.

It is a cyclic number.

It is not a de Polignac number, because 1005012233 - 2⁸ = 1005011977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005012293) 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, 10691573 + ... + 10691666.

It is an arithmetic number, because the mean of its divisors is an integer number (256598880).

Almost surely, 2^1005012233 is an apocalyptic number.

It is an amenable number.

1005012233 is a deficient number, since it is larger than the sum of its proper divisors (21383287).

1005012233 is an equidigital number, since it uses as much as digits as its factorization.

1005012233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21383286.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1005012233 is about 31701.9279066747. The cubic root of 1005012233 is about 1001.6679606937.

Adding to 1005012233 its reverse (3322105001), we get a palindrome (4327117234).

The spelling of 1005012233 in words is "one billion, five million, twelve thousand, two hundred thirty-three".