123131122102 has 8 divisors (see below), whose sum is σ = 184721198112. Its totient is φ = 61557389400.

The previous prime is 123131122099. The next prime is 123131122159. The reversal of 123131122102 is 201221131321.

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

It is a super-3 number, since 3×123131122102³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 123131122102.

It is a congruent number.

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, 4066974 + ... + 4097137.

It is an arithmetic number, because the mean of its divisors is an integer number (23090149764).

Almost surely, 2^123131122102 is an apocalyptic number.

123131122102 is a deficient number, since it is larger than the sum of its proper divisors (61590076010).

123131122102 is an equidigital number, since it uses as much as digits as its factorization.

123131122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8171654.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 123131122102 its reverse (201221131321), we get a palindrome (324352253423).

The spelling of 123131122102 in words is "one hundred twenty-three billion, one hundred thirty-one million, one hundred twenty-two thousand, one hundred two".