123303112111 has 8 divisors (see below), whose sum is σ = 124206462800. Its totient is φ = 122399994240.

The previous prime is 123303112109. The next prime is 123303112151. The reversal of 123303112111 is 111211303321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123303112111 - 2¹ = 123303112109 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 (123303112151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087021 + ... + 1195081.

It is an arithmetic number, because the mean of its divisors is an integer number (15525807850).

Almost surely, 2^123303112111 is an apocalyptic number.

123303112111 is a deficient number, since it is larger than the sum of its proper divisors (903350689).

123303112111 is a wasteful number, since it uses less digits than its factorization.

123303112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116409.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 123303112111 its reverse (111211303321), we get a palindrome (234514415432).

The spelling of 123303112111 in words is "one hundred twenty-three billion, three hundred three million, one hundred twelve thousand, one hundred eleven".