123123010102 has 32 divisors (see below), whose sum is σ = 202577824800. Its totient is φ = 55863080448.

The previous prime is 123123010099. The next prime is 123123010261. The reversal of 123123010102 is 201010321321.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 611013 + ... + 787135.

It is an arithmetic number, because the mean of its divisors is an integer number (6330557025).

Almost surely, 2^123123010102 is an apocalyptic number.

123123010102 is a deficient number, since it is larger than the sum of its proper divisors (79454814698).

123123010102 is a wasteful number, since it uses less digits than its factorization.

123123010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176880.

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

Adding to 123123010102 its reverse (201010321321), we get a palindrome (324133331423).

The spelling of 123123010102 in words is "one hundred twenty-three billion, one hundred twenty-three million, ten thousand, one hundred two".