123387794 has 8 divisors (see below), whose sum is σ = 186324300. Its totient is φ = 61279696.

The previous prime is 123387793. The next prime is 123387829. The reversal of 123387794 is 497783321.

It can be written as a sum of positive squares in 2 ways, for example, as 104142025 + 19245769 = 10205^2 + 4387^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123387791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206729 + ... + 207324.

Almost surely, 2^123387794 is an apocalyptic number.

123387794 is a deficient number, since it is larger than the sum of its proper divisors (62936506).

123387794 is a wasteful number, since it uses less digits than its factorization.

123387794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414204.

The product of its digits is 254016, while the sum is 44.

The square root of 123387794 is about 11108.0058516369. The cubic root of 123387794 is about 497.8410835765.

The spelling of 123387794 in words is "one hundred twenty-three million, three hundred eighty-seven thousand, seven hundred ninety-four".