123103036 has 12 divisors (see below), whose sum is σ = 246206128. Its totient is φ = 52758432.

The previous prime is 123103031. The next prime is 123103049. The reversal of 123103036 is 630301321.

123103036 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123103031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2198241 + ... + 2198296.

Almost surely, 2^123103036 is an apocalyptic number.

It is an amenable number.

123103036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123103036 is a wasteful number, since it uses less digits than its factorization.

123103036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396548 (or 4396546 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 123103036 is about 11095.1807556254. The cubic root of 123103036 is about 497.4578111241.

Adding to 123103036 its reverse (630301321), we get a palindrome (753404357).

The spelling of 123103036 in words is "one hundred twenty-three million, one hundred three thousand, thirty-six".