123102234133 has 4 divisors (see below), whose sum is σ = 126429321580. Its totient is φ = 119775146688.

The previous prime is 123102234131. The next prime is 123102234149. The reversal of 123102234133 is 331432201321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118616181649 + 4486052484 = 344407^2 + 66978^2 .

It is a cyclic number.

It is not a de Polignac number, because 123102234133 - 2¹ = 123102234131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123102234098 and 123102234107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123102234131) 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, 1663543668 + ... + 1663543741.

It is an arithmetic number, because the mean of its divisors is an integer number (31607330395).

Almost surely, 2^123102234133 is an apocalyptic number.

It is an amenable number.

123102234133 is a deficient number, since it is larger than the sum of its proper divisors (3327087447).

123102234133 is an equidigital number, since it uses as much as digits as its factorization.

123102234133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327087446.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 123102234133 its reverse (331432201321), we get a palindrome (454534435454).

The spelling of 123102234133 in words is "one hundred twenty-three billion, one hundred two million, two hundred thirty-four thousand, one hundred thirty-three".