2123000133 has 4 divisors (see below), whose sum is σ = 2830666848. Its totient is φ = 1415333420.

The previous prime is 2123000029. The next prime is 2123000149. The reversal of 2123000133 is 3310003212.

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 a cyclic number.

It is not a de Polignac number, because 2123000133 - 2⁹ = 2122999621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123000153) 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, 353833353 + ... + 353833358.

It is an arithmetic number, because the mean of its divisors is an integer number (707666712).

Almost surely, 2^2123000133 is an apocalyptic number.

It is an amenable number.

2123000133 is a deficient number, since it is larger than the sum of its proper divisors (707666715).

2123000133 is an equidigital number, since it uses as much as digits as its factorization.

2123000133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707666714.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2123000133 is about 46076.0255773000. The cubic root of 2123000133 is about 1285.2373572755.

Adding to 2123000133 its reverse (3310003212), we get a palindrome (5433003345).

The spelling of 2123000133 in words is "two billion, one hundred twenty-three million, one hundred thirty-three", and thus it is an aban number.