123023222305 has 16 divisors (see below), whose sum is σ = 147828600000. Its totient is φ = 98284858560.

The previous prime is 123023222293. The next prime is 123023222321. The reversal of 123023222305 is 503222320321.

It is not a de Polignac number, because 123023222305 - 2³¹ = 120875738657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123023222305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12729175 + ... + 12738835.

It is an arithmetic number, because the mean of its divisors is an integer number (9239287500).

Almost surely, 2^123023222305 is an apocalyptic number.

It is an amenable number.

123023222305 is a deficient number, since it is larger than the sum of its proper divisors (24805377695).

123023222305 is a wasteful number, since it uses less digits than its factorization.

123023222305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12864.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 123023222305 its reverse (503222320321), we get a palindrome (626245542626).

The spelling of 123023222305 in words is "one hundred twenty-three billion, twenty-three million, two hundred twenty-two thousand, three hundred five".