1022320123 has 16 divisors (see below), whose sum is σ = 1167146496.
Its totient is φ = 886378240.
The previous prime is 1022320087. The next prime is 1022320147. The reversal of 1022320123 is 3210232201.
It is a de Polignac number, because none of the positive numbers 2k-1022320123 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1022320097 and 1022320106.
It is not an unprimeable number, because it can be changed into a prime (1022320163) 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 15 ways as a sum of consecutive naturals, for example, 83586 + ... + 95032.
It is an arithmetic number, because the mean of its divisors is an integer number (72946656).
Almost surely, 21022320123 is an apocalyptic number.
1022320123 is a deficient number, since it is larger than the sum of its proper divisors (144826373).
1022320123 is a wasteful number, since it uses less digits than its factorization.
1022320123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11834.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 1022320123 is about 31973.7411480108.
The cubic root of 1022320123 is about 1007.3853631366.
Adding to 1022320123 its reverse (3210232201), we get a palindrome (4232552324).
The spelling of 1022320123 in words is "one billion, twenty-two million, three hundred twenty thousand, one hundred twenty-three".