123031123 has 8 divisors (see below), whose sum is σ = 125111808. Its totient is φ = 120968064.

The previous prime is 123031121. The next prime is 123031151. The reversal of 123031123 is 321130321.

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 123031123 - 2¹ = 123031121 is a prime.

It is a super-2 number, since 2×123031123² = 30273314453282258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123031097 and 123031106.

It is not an unprimeable number, because it can be changed into a prime (123031121) 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, 10065 + ... + 18637.

It is an arithmetic number, because the mean of its divisors is an integer number (15638976).

Almost surely, 2^123031123 is an apocalyptic number.

123031123 is a deficient number, since it is larger than the sum of its proper divisors (2080685).

123031123 is a wasteful number, since it uses less digits than its factorization.

123031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8813.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 123031123 is about 11091.9395508631. The cubic root of 123031123 is about 497.3609257480.

Adding to 123031123 its reverse (321130321), we get a palindrome (444161444).

The spelling of 123031123 in words is "one hundred twenty-three million, thirty-one thousand, one hundred twenty-three".