123220321203 has 8 divisors (see below), whose sum is σ = 187764299008. Its totient is φ = 70411612104.

The previous prime is 123220321171. The next prime is 123220321207. The reversal of 123220321203 is 302123022321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123220321203 - 2⁵ = 123220321171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5867634343 = 123220321203 / (1 + 2 + 3 + 2 + 2 + 0 + 3 + 2 + 1 + 2 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123220321203.

It is not an unprimeable number, because it can be changed into a prime (123220321207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2933817151 + ... + 2933817192.

It is an arithmetic number, because the mean of its divisors is an integer number (23470537376).

Almost surely, 2^123220321203 is an apocalyptic number.

123220321203 is a deficient number, since it is larger than the sum of its proper divisors (64543977805).

123220321203 is an equidigital number, since it uses as much as digits as its factorization.

123220321203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5867634353.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123220321203 its reverse (302123022321), we get a palindrome (425343343524).

The spelling of 123220321203 in words is "one hundred twenty-three billion, two hundred twenty million, three hundred twenty-one thousand, two hundred three".