123202320102 has 12 divisors (see below), whose sum is σ = 266938360260. Its totient is φ = 41067440028.

The previous prime is 123202320089. The next prime is 123202320113. The reversal of 123202320102 is 201023202321.

123202320102 is a `hidden beast` number, since 12 + 320 + 2 + 320 + 10 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6844573339 = 123202320102 / (1 + 2 + 3 + 2 + 0 + 2 + 3 + 2 + 0 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3422286652 + ... + 3422286687.

It is an arithmetic number, because the mean of its divisors is an integer number (22244863355).

Almost surely, 2^123202320102 is an apocalyptic number.

123202320102 is an abundant number, since it is smaller than the sum of its proper divisors (143736040158).

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

123202320102 is a wasteful number, since it uses less digits than its factorization.

123202320102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6844573347 (or 6844573344 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 123202320102 its reverse (201023202321), we get a palindrome (324225522423).

The spelling of 123202320102 in words is "one hundred twenty-three billion, two hundred two million, three hundred twenty thousand, one hundred two".