123204119 has 4 divisors (see below), whose sum is σ = 123240096. Its totient is φ = 123168144.

The previous prime is 123204101. The next prime is 123204127. The reversal of 123204119 is 911402321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123204119 - 2¹² = 123200023 is a prime.

It is a super-2 number, since 2×123204119² = 30358509877132322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123204094 and 123204103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123204019) 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, 12239 + ... + 19904.

It is an arithmetic number, because the mean of its divisors is an integer number (30810024).

Almost surely, 2^123204119 is an apocalyptic number.

123204119 is a deficient number, since it is larger than the sum of its proper divisors (35977).

123204119 is an equidigital number, since it uses as much as digits as its factorization.

123204119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35976.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 123204119 is about 11099.7350869289. The cubic root of 123204119 is about 497.5939322481.

The spelling of 123204119 in words is "one hundred twenty-three million, two hundred four thousand, one hundred nineteen".