123336136 has 48 divisors (see below), whose sum is σ = 293477040. Its totient is φ = 48051360.

The previous prime is 123336113. The next prime is 123336151. The reversal of 123336136 is 631633321.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9990 + ... + 18613.

It is an arithmetic number, because the mean of its divisors is an integer number (6114105).

Almost surely, 2^123336136 is an apocalyptic number.

It is an amenable number.

123336136 is an abundant number, since it is smaller than the sum of its proper divisors (170140904).

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

123336136 is a wasteful number, since it uses less digits than its factorization.

123336136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28634 (or 28623 counting only the distinct ones).

The product of its digits is 5832, while the sum is 28.

The square root of 123336136 is about 11105.6803483623. The cubic root of 123336136 is about 497.7715978689.

Adding to 123336136 its reverse (631633321), we get a palindrome (754969457).

The spelling of 123336136 in words is "one hundred twenty-three million, three hundred thirty-six thousand, one hundred thirty-six".