2123102133 has 18 divisors (see below), whose sum is σ = 3117850242. Its totient is φ = 1392176160.

The previous prime is 2123102117. The next prime is 2123102141. The reversal of 2123102133 is 3312013212.

It can be written as a sum of positive squares in 3 ways, for example, as 156800484 + 1966301649 = 12522^2 + 44343^2 .

It is not a de Polignac number, because 2123102133 - 2⁴ = 2123102117 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 (2123102173) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1791 + ... + 65187.

Almost surely, 2^2123102133 is an apocalyptic number.

It is an amenable number.

2123102133 is a deficient number, since it is larger than the sum of its proper divisors (994748109).

2123102133 is an equidigital number, since it uses as much as digits as its factorization.

2123102133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63525 (or 63461 counting only the distinct ones).

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

The square root of 2123102133 is about 46077.1324303065. The cubic root of 2123102133 is about 1285.2579401147.

Adding to 2123102133 its reverse (3312013212), we get a palindrome (5435115345).

The spelling of 2123102133 in words is "two billion, one hundred twenty-three million, one hundred two thousand, one hundred thirty-three".