123233113111 has 8 divisors (see below), whose sum is σ = 124526997504. Its totient is φ = 121945847640.

The previous prime is 123233113043. The next prime is 123233113117. The reversal of 123233113111 is 111311332321.

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 123233113111 - 2¹⁷ = 123232982039 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 (123233113117) 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, 1617295 + ... + 1691776.

It is an arithmetic number, because the mean of its divisors is an integer number (15565874688).

Almost surely, 2^123233113111 is an apocalyptic number.

123233113111 is a deficient number, since it is larger than the sum of its proper divisors (1293884393).

123233113111 is a wasteful number, since it uses less digits than its factorization.

123233113111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309461.

The product of its digits is 324, while the sum is 22.

Adding to 123233113111 its reverse (111311332321), we get a palindrome (234544445432).

The spelling of 123233113111 in words is "one hundred twenty-three billion, two hundred thirty-three million, one hundred thirteen thousand, one hundred eleven".