123321010002 has 16 divisors (see below), whose sum is σ = 246646798752. Its totient is φ = 41106206880.

The previous prime is 123321009941. The next prime is 123321010039. The reversal of 123321010002 is 200010123321.

It is an unprimeable number.

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, 196977 + ... + 534267.

It is an arithmetic number, because the mean of its divisors is an integer number (15415424922).

Almost surely, 2^123321010002 is an apocalyptic number.

123321010002 is an abundant number, since it is smaller than the sum of its proper divisors (123325788750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123321010002 is a wasteful number, since it uses less digits than its factorization.

123321010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398233.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 123321010002 its reverse (200010123321), we get a palindrome (323331133323).

The spelling of 123321010002 in words is "one hundred twenty-three billion, three hundred twenty-one million, ten thousand, two".