123856950 has 48 divisors (see below), whose sum is σ = 351048960. Its totient is φ = 28309920.

The previous prime is 123856933. The next prime is 123856961. The reversal of 123856950 is 59658321.

It is a junction number, because it is equal to n+sod(n) for n = 123856899 and 123856908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57930 + ... + 60029.

It is an arithmetic number, because the mean of its divisors is an integer number (7313520).

Almost surely, 2^123856950 is an apocalyptic number.

123856950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123856950 is an abundant number, since it is smaller than the sum of its proper divisors (227192010).

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

123856950 is a wasteful number, since it uses less digits than its factorization.

123856950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117981 (or 117976 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 123856950 is about 11129.1037374984. The cubic root of 123856950 is about 498.4712640296.

The spelling of 123856950 in words is "one hundred twenty-three million, eight hundred fifty-six thousand, nine hundred fifty".