123012223123 has 8 divisors (see below), whose sum is σ = 126998334720. Its totient is φ = 119060925120.

The previous prime is 123012223063. The next prime is 123012223219. The reversal of 123012223123 is 321322210321.

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 123012223123 - 2²⁵ = 122978668691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123012223094 and 123012223103.

It is not an unprimeable number, because it can be changed into a prime (123012263123) 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, 8696218 + ... + 8710351.

It is an arithmetic number, because the mean of its divisors is an integer number (15874791840).

Almost surely, 2^123012223123 is an apocalyptic number.

123012223123 is a deficient number, since it is larger than the sum of its proper divisors (3986111597).

123012223123 is a wasteful number, since it uses less digits than its factorization.

123012223123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17406797.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123012223123 its reverse (321322210321), we get a palindrome (444334433444).

The spelling of 123012223123 in words is "one hundred twenty-three billion, twelve million, two hundred twenty-three thousand, one hundred twenty-three".