123200439 has 8 divisors (see below), whose sum is σ = 169931760. Its totient is φ = 79301376.

The previous prime is 123200431. The next prime is 123200477. The reversal of 123200439 is 934002321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123200439 - 2³ = 123200431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123200431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707962 + ... + 708135.

It is an arithmetic number, because the mean of its divisors is an integer number (21241470).

Almost surely, 2^123200439 is an apocalyptic number.

123200439 is a deficient number, since it is larger than the sum of its proper divisors (46731321).

123200439 is a wasteful number, since it uses less digits than its factorization.

123200439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416129.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 123200439 is about 11099.5693159690. The cubic root of 123200439 is about 497.5889779660.

The spelling of 123200439 in words is "one hundred twenty-three million, two hundred thousand, four hundred thirty-nine".