123102302133 has 4 divisors (see below), whose sum is σ = 164136402848. Its totient is φ = 82068201420.

The previous prime is 123102302077. The next prime is 123102302137. The reversal of 123102302133 is 331203201321.

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 not a de Polignac number, because 123102302133 - 2²⁴ = 123085524917 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 (123102302137) 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, 20517050353 + ... + 20517050358.

It is an arithmetic number, because the mean of its divisors is an integer number (41034100712).

Almost surely, 2^123102302133 is an apocalyptic number.

It is an amenable number.

123102302133 is a deficient number, since it is larger than the sum of its proper divisors (41034100715).

123102302133 is an equidigital number, since it uses as much as digits as its factorization.

123102302133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41034100714.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123102302133 its reverse (331203201321), we get a palindrome (454305503454).

The spelling of 123102302133 in words is "one hundred twenty-three billion, one hundred two million, three hundred two thousand, one hundred thirty-three".