123946136 has 16 divisors (see below), whose sum is σ = 232621800. Its totient is φ = 61913664.

The previous prime is 123946129. The next prime is 123946187. The reversal of 123946136 is 631649321.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 123946096 and 123946105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2171 + ... + 15893.

Almost surely, 2^123946136 is an apocalyptic number.

It is an amenable number.

123946136 is a deficient number, since it is larger than the sum of its proper divisors (108675664).

123946136 is a wasteful number, since it uses less digits than its factorization.

123946136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14858 (or 14854 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 123946136 is about 11133.1098979575. The cubic root of 123946136 is about 498.5908804951.

The spelling of 123946136 in words is "one hundred twenty-three million, nine hundred forty-six thousand, one hundred thirty-six".