123313221002 has 8 divisors (see below), whose sum is σ = 184975459812. Its totient is φ = 61654734400.

The previous prime is 123313220999. The next prime is 123313221019. The reversal of 123313221002 is 200122313321.

It can be written as a sum of positive squares in 2 ways, for example, as 121416705601 + 1896515401 = 348449^2 + 43549^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854399 + ... + 988242.

Almost surely, 2^123313221002 is an apocalyptic number.

123313221002 is a deficient number, since it is larger than the sum of its proper divisors (61662238810).

123313221002 is a wasteful number, since it uses less digits than its factorization.

123313221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876104.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123313221002 its reverse (200122313321), we get a palindrome (323435534323).

The spelling of 123313221002 in words is "one hundred twenty-three billion, three hundred thirteen million, two hundred twenty-one thousand, two".