123775950 has 48 divisors (see below), whose sum is σ = 307699056. Its totient is φ = 32928000.

The previous prime is 123775909. The next prime is 123775979. The reversal of 123775950 is 59577321.

It is a super-3 number, since 3×123775950³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123775899 and 123775908.

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, 89464 + ... + 90836.

It is an arithmetic number, because the mean of its divisors is an integer number (6410397).

Almost surely, 2^123775950 is an apocalyptic number.

123775950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123775950 is an abundant number, since it is smaller than the sum of its proper divisors (183923106).

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

123775950 is a wasteful number, since it uses less digits than its factorization.

123775950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 39.

The square root of 123775950 is about 11125.4640352661. The cubic root of 123775950 is about 498.3625768780.

The spelling of 123775950 in words is "one hundred twenty-three million, seven hundred seventy-five thousand, nine hundred fifty".