12223013223123 has 16 divisors (see below), whose sum is σ = 18692302182400. Its totient is φ = 7885814982120.

The previous prime is 12223013223107. The next prime is 12223013223163. The reversal of 12223013223123 is 32132231032221.

12223013223123 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 301 + 322 + 31 + 2 + 3 = 666.

It is not a de Polignac number, because 12223013223123 - 2⁴ = 12223013223107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223013223163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7301679703 + ... + 7301681376.

It is an arithmetic number, because the mean of its divisors is an integer number (1168268886400).

Almost surely, 2^{12223013223123} is an apocalyptic number.

12223013223123 is a deficient number, since it is larger than the sum of its proper divisors (6469288959277).

12223013223123 is a wasteful number, since it uses less digits than its factorization.

12223013223123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14603361119 (or 14603361113 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 12223013223123 its reverse (32132231032221), we get a palindrome (44355244255344).

The spelling of 12223013223123 in words is "twelve trillion, two hundred twenty-three billion, thirteen million, two hundred twenty-three thousand, one hundred twenty-three".