123030332206 has 4 divisors (see below), whose sum is σ = 184545498312. Its totient is φ = 61515166102.

The previous prime is 123030332167. The next prime is 123030332207. The reversal of 123030332206 is 602233030321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123030332207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30757583050 + ... + 30757583053.

It is an arithmetic number, because the mean of its divisors is an integer number (46136374578).

Almost surely, 2^123030332206 is an apocalyptic number.

123030332206 is a deficient number, since it is larger than the sum of its proper divisors (61515166106).

123030332206 is an equidigital number, since it uses as much as digits as its factorization.

123030332206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61515166105.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 123030332206 its reverse (602233030321), we get a palindrome (725263362527).

The spelling of 123030332206 in words is "one hundred twenty-three billion, thirty million, three hundred thirty-two thousand, two hundred six".