123320231103 has 32 divisors (see below), whose sum is σ = 171508342720. Its totient is φ = 78751595520.

The previous prime is 123320231081. The next prime is 123320231107. The reversal of 123320231103 is 301132023321.

It is not a de Polignac number, because 123320231103 - 2³² = 119025263807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123320231103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123320231107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1867083 + ... + 1932003.

It is an arithmetic number, because the mean of its divisors is an integer number (5359635710).

Almost surely, 2^123320231103 is an apocalyptic number.

123320231103 is a deficient number, since it is larger than the sum of its proper divisors (48188111617).

123320231103 is a wasteful number, since it uses less digits than its factorization.

123320231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65227.

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

Adding to 123320231103 its reverse (301132023321), we get a palindrome (424452254424).

The spelling of 123320231103 in words is "one hundred twenty-three billion, three hundred twenty million, two hundred thirty-one thousand, one hundred three".