123716536 has 16 divisors (see below), whose sum is σ = 239451840. Its totient is φ = 59862720.

The previous prime is 123716519. The next prime is 123716539. The reversal of 123716536 is 635617321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123716539) 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 3 ways as a sum of consecutive naturals, for example, 249181 + ... + 249676.

It is an arithmetic number, because the mean of its divisors is an integer number (14965740).

Almost surely, 2^123716536 is an apocalyptic number.

It is an amenable number.

123716536 is a deficient number, since it is larger than the sum of its proper divisors (115735304).

123716536 is a wasteful number, since it uses less digits than its factorization.

123716536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498894 (or 498890 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 123716536 is about 11122.7935340004. The cubic root of 123716536 is about 498.2828240313.

The spelling of 123716536 in words is "one hundred twenty-three million, seven hundred sixteen thousand, five hundred thirty-six".