123102311002 has 16 divisors (see below), whose sum is σ = 201451442400. Its totient is φ = 55952457840.

The previous prime is 123102310957. The next prime is 123102311023. The reversal of 123102311002 is 200113201321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270124 + ... + 564952.

It is an arithmetic number, because the mean of its divisors is an integer number (12590715150).

Almost surely, 2^123102311002 is an apocalyptic number.

123102311002 is a deficient number, since it is larger than the sum of its proper divisors (78349131398).

123102311002 is a wasteful number, since it uses less digits than its factorization.

123102311002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313821.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 123102311002 its reverse (200113201321), we get a palindrome (323215512323).

The spelling of 123102311002 in words is "one hundred twenty-three billion, one hundred two million, three hundred eleven thousand, two".