123220232223133 has 4 divisors (see below), whose sum is σ = 123772789318528. Its totient is φ = 122667675127740.

The previous prime is 123220232223131. The next prime is 123220232223169. The reversal of 123220232223133 is 331322232022321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123220232223133 - 2¹ = 123220232223131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123220232223095 and 123220232223104.

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 3 ways as a sum of consecutive naturals, for example, 276278547363 + ... + 276278547808.

It is an arithmetic number, because the mean of its divisors is an integer number (30943197329632).

Almost surely, 2^{123220232223133} is an apocalyptic number.

It is an amenable number.

123220232223133 is a deficient number, since it is larger than the sum of its proper divisors (552557095395).

123220232223133 is an equidigital number, since it uses as much as digits as its factorization.

123220232223133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552557095394.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 123220232223133 its reverse (331322232022321), we get a palindrome (454542464245454).

The spelling of 123220232223133 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-three".