2123011233 has 12 divisors (see below), whose sum is σ = 3504653568. Its totient is φ = 1213149240.

The previous prime is 2123011229. The next prime is 2123011309. The reversal of 2123011233 is 3321103212.

It is not a de Polignac number, because 2123011233 - 2² = 2123011229 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2123051233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16849233 + ... + 16849358.

It is an arithmetic number, because the mean of its divisors is an integer number (292054464).

Almost surely, 2^2123011233 is an apocalyptic number.

It is an amenable number.

2123011233 is a deficient number, since it is larger than the sum of its proper divisors (1381642335).

2123011233 is a wasteful number, since it uses less digits than its factorization.

2123011233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33698604 (or 33698601 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2123011233 is about 46076.1460302400. The cubic root of 2123011233 is about 1285.2395972047.

Adding to 2123011233 its reverse (3321103212), we get a palindrome (5444114445).

The spelling of 2123011233 in words is "two billion, one hundred twenty-three million, eleven thousand, two hundred thirty-three".