123011332023223 has 4 divisors (see below), whose sum is σ = 140584379455120. Its totient is φ = 105438284591328.

The previous prime is 123011332023193. The next prime is 123011332023227. The reversal of 123011332023223 is 322320233110321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123011332023223 - 2⁴⁵ = 87826959934391 is a prime.

It is a super-2 number, since 2×123011332023223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123011332023191 and 123011332023200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123011332023227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8786523715938 + ... + 8786523715951.

It is an arithmetic number, because the mean of its divisors is an integer number (35146094863780).

Almost surely, 2^{123011332023223} is an apocalyptic number.

123011332023223 is a deficient number, since it is larger than the sum of its proper divisors (17573047431897).

123011332023223 is an equidigital number, since it uses as much as digits as its factorization.

123011332023223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17573047431896.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 123011332023223 its reverse (322320233110321), we get a palindrome (445331565133544).

The spelling of 123011332023223 in words is "one hundred twenty-three trillion, eleven billion, three hundred thirty-two million, twenty-three thousand, two hundred twenty-three".