123963956 has 48 divisors (see below), whose sum is σ = 229152000. Its totient is φ = 58631040.

The previous prime is 123963929. The next prime is 123963967. The reversal of 123963956 is 659369321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1137230 + ... + 1137338.

It is an arithmetic number, because the mean of its divisors is an integer number (4774000).

Almost surely, 2^123963956 is an apocalyptic number.

It is an amenable number.

123963956 is a deficient number, since it is larger than the sum of its proper divisors (105188044).

123963956 is a wasteful number, since it uses less digits than its factorization.

123963956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 310 counting only the distinct ones).

The product of its digits is 262440, while the sum is 44.

The square root of 123963956 is about 11133.9101846566. The cubic root of 123963956 is about 498.6147738410.

The spelling of 123963956 in words is "one hundred twenty-three million, nine hundred sixty-three thousand, nine hundred fifty-six".