123213321106 has 16 divisors (see below), whose sum is σ = 196863561216. Its totient is φ = 57635534656.

The previous prime is 123213321071. The next prime is 123213321113. The reversal of 123213321106 is 601123312321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10844386 + ... + 10855741.

It is an arithmetic number, because the mean of its divisors is an integer number (12303972576).

Almost surely, 2^123213321106 is an apocalyptic number.

123213321106 is a deficient number, since it is larger than the sum of its proper divisors (73650240110).

123213321106 is a wasteful number, since it uses less digits than its factorization.

123213321106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21700313.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 123213321106 its reverse (601123312321), we get a palindrome (724336633427).

The spelling of 123213321106 in words is "one hundred twenty-three billion, two hundred thirteen million, three hundred twenty-one thousand, one hundred six".