123604419 has 4 divisors (see below), whose sum is σ = 164805896. Its totient is φ = 82402944.

The previous prime is 123604417. The next prime is 123604421. The reversal of 123604419 is 914406321.

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

It is an interprime number because it is at equal distance from previous prime (123604417) and next prime (123604421).

It is not a de Polignac number, because 123604419 - 2¹ = 123604417 is a prime.

It is a super-2 number, since 2×123604419² = 30556104792655122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123604417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20600734 + ... + 20600739.

It is an arithmetic number, because the mean of its divisors is an integer number (41201474).

Almost surely, 2^123604419 is an apocalyptic number.

123604419 is a deficient number, since it is larger than the sum of its proper divisors (41201477).

123604419 is an equidigital number, since it uses as much as digits as its factorization.

123604419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41201476.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 123604419 is about 11117.7524257379. The cubic root of 123604419 is about 498.1322570936.

The spelling of 123604419 in words is "one hundred twenty-three million, six hundred four thousand, four hundred nineteen".