123387 has 8 divisors (see below), whose sum is σ = 179520. Its totient is φ = 74760.
The previous prime is 123379. The next prime is 123397. The reversal of 123387 is 783321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 123387 - 23 = 123379 is a prime.
It is not an unprimeable number, because it can be changed into a prime (123307) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1837 + ... + 1902.
It is an arithmetic number, because the mean of its divisors is an integer number (22440).
2123387 is an apocalyptic number.
123387 is a deficient number, since it is larger than the sum of its proper divisors (56133).
123387 is a wasteful number, since it uses less digits than its factorization.
123387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3753.
The product of its digits is 1008, while the sum is 24.
The square root of 123387 is about 351.2648573370. The cubic root of 123387 is about 49.7840015706.
The spelling of 123387 in words is "one hundred twenty-three thousand, three hundred eighty-seven".
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