123279369 has 8 divisors (see below), whose sum is σ = 164745312. Its totient is φ = 81999840.

The previous prime is 123279349. The next prime is 123279389. The reversal of 123279369 is 963972321.

It is an interprime number because it is at equal distance from previous prime (123279349) and next prime (123279389).

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

It is not a de Polignac number, because 123279369 - 2¹⁶ = 123213833 is a prime.

It is a super-2 number, since 2×123279369² = 30395605642076322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123279369.

It is not an unprimeable number, because it can be changed into a prime (123279349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45052 + ... + 47709.

It is an arithmetic number, because the mean of its divisors is an integer number (20593164).

Almost surely, 2^123279369 is an apocalyptic number.

It is an amenable number.

123279369 is a deficient number, since it is larger than the sum of its proper divisors (41465943).

123279369 is an equidigital number, since it uses as much as digits as its factorization.

123279369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93207.

The product of its digits is 122472, while the sum is 42.

The square root of 123279369 is about 11103.1242900366. The cubic root of 123279369 is about 497.6952176137.

It can be divided in two parts, 1232 and 79369, that added together give a triangular number (80601 = T₄₀₁).

The spelling of 123279369 in words is "one hundred twenty-three million, two hundred seventy-nine thousand, three hundred sixty-nine".