2133123301 has 4 divisors (see below), whose sum is σ = 2133232704. Its totient is φ = 2133013900.

The previous prime is 2133123271. The next prime is 2133123337. The reversal of 2133123301 is 1033213312.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2133123301 - 2⁵ = 2133123269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133123401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16615 + ... + 67396.

It is an arithmetic number, because the mean of its divisors is an integer number (533308176).

Almost surely, 2^2133123301 is an apocalyptic number.

It is an amenable number.

2133123301 is a deficient number, since it is larger than the sum of its proper divisors (109403).

2133123301 is an equidigital number, since it uses as much as digits as its factorization.

2133123301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109402.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2133123301 is about 46185.7478125016. The cubic root of 2133123301 is about 1287.2769314234.

Adding to 2133123301 its reverse (1033213312), we get a palindrome (3166336613).

The spelling of 2133123301 in words is "two billion, one hundred thirty-three million, one hundred twenty-three thousand, three hundred one".