123375279 has 8 divisors (see below), whose sum is σ = 168946480. Its totient is φ = 80027136.

The previous prime is 123375253. The next prime is 123375281. The reversal of 123375279 is 972573321.

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

It is not a de Polignac number, because 123375279 - 2⁸ = 123375023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123375079) 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 7 ways as a sum of consecutive naturals, for example, 555634 + ... + 555855.

It is an arithmetic number, because the mean of its divisors is an integer number (21118310).

Almost surely, 2^123375279 is an apocalyptic number.

123375279 is a deficient number, since it is larger than the sum of its proper divisors (45571201).

123375279 is a wasteful number, since it uses less digits than its factorization.

123375279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111529.

The product of its digits is 79380, while the sum is 39.

The square root of 123375279 is about 11107.4425049153. The cubic root of 123375279 is about 497.8242513015.

The spelling of 123375279 in words is "one hundred twenty-three million, three hundred seventy-five thousand, two hundred seventy-nine".