123220232223134 has 16 divisors (see below), whose sum is σ = 195795958050000. Its totient is φ = 57958366068864.

The previous prime is 123220232223131. The next prime is 123220232223169. The reversal of 123220232223134 is 431322232022321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 123220232223134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123220232223131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863226509 + ... + 863369240.

It is an arithmetic number, because the mean of its divisors is an integer number (12237247378125).

Almost surely, 2^{123220232223134} is an apocalyptic number.

123220232223134 is a deficient number, since it is larger than the sum of its proper divisors (72575725826866).

123220232223134 is a wasteful number, since it uses less digits than its factorization.

123220232223134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726597867.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 123220232223134 its reverse (431322232022321), we get a palindrome (554542464245455).

The spelling of 123220232223134 in words is "one hundred twenty-three trillion, two hundred twenty billion, two hundred thirty-two million, two hundred twenty-three thousand, one hundred thirty-four".