123012211143223 has 8 divisors (see below), whose sum is σ = 123700367765888. Its totient is φ = 122325839623224.

The previous prime is 123012211143209. The next prime is 123012211143259. The reversal of 123012211143223 is 322341112210321.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123012211143223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123012211143191 and 123012211143200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012211143203) 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, 446137461 + ... + 446413102.

It is an arithmetic number, because the mean of its divisors is an integer number (15462545970736).

Almost surely, 2^{123012211143223} is an apocalyptic number.

123012211143223 is a deficient number, since it is larger than the sum of its proper divisors (688156622665).

123012211143223 is an equidigital number, since it uses as much as digits as its factorization.

123012211143223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892551333.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 123012211143223 its reverse (322341112210321), we get a palindrome (445353323353544).

The spelling of 123012211143223 in words is "one hundred twenty-three trillion, twelve billion, two hundred eleven million, one hundred forty-three thousand, two hundred twenty-three".