123303102136 has 64 divisors (see below), whose sum is σ = 236847329280. Its totient is φ = 60162600960.

The previous prime is 123303102061. The next prime is 123303102137. The reversal of 123303102136 is 631201303321.

It is a self number, because there is not a number n which added to its sum of digits gives 123303102136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123303102137) by changing a digit.

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, 78486231 + ... + 78487801.

It is an arithmetic number, because the mean of its divisors is an integer number (3700739520).

Almost surely, 2^123303102136 is an apocalyptic number.

It is an amenable number.

123303102136 is a deficient number, since it is larger than the sum of its proper divisors (113544227144).

123303102136 is a wasteful number, since it uses less digits than its factorization.

123303102136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924 (or 2920 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 123303102136 its reverse (631201303321), we get a palindrome (754504405457).

The spelling of 123303102136 in words is "one hundred twenty-three billion, three hundred three million, one hundred two thousand, one hundred thirty-six".