123013312002 has 48 divisors (see below), whose sum is σ = 306648763200. Its totient is φ = 34910771616.

The previous prime is 123013311991. The next prime is 123013312031. The reversal of 123013312002 is 200213310321.

123013312002 is a `hidden beast` number, since 12 + 301 + 331 + 20 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3257388 + ... + 3294935.

It is an arithmetic number, because the mean of its divisors is an integer number (6388515900).

Almost surely, 2^123013312002 is an apocalyptic number.

123013312002 is an abundant number, since it is smaller than the sum of its proper divisors (183635451198).

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

123013312002 is a wasteful number, since it uses less digits than its factorization.

123013312002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6552487 (or 6552484 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123013312002 its reverse (200213310321), we get a palindrome (323226622323).

The spelling of 123013312002 in words is "one hundred twenty-three billion, thirteen million, three hundred twelve thousand, two".