123210419 has 2 divisors, whose sum is σ = 123210420. Its totient is φ = 123210418.

The previous prime is 123210403. The next prime is 123210433. The reversal of 123210419 is 914012321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123210419 - 2⁴ = 123210403 is a prime.

It is a super-2 number, since 2×123210419² = 30361614700311122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123210394 and 123210403.

It is not a weakly prime, because it can be changed into another prime (123210469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61605209 + 61605210.

It is an arithmetic number, because the mean of its divisors is an integer number (61605210).

Almost surely, 2^123210419 is an apocalyptic number.

123210419 is a deficient number, since it is larger than the sum of its proper divisors (1).

123210419 is an equidigital number, since it uses as much as digits as its factorization.

123210419 is an odious number, because the sum of its binary digits is odd.

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

The square root of 123210419 is about 11100.0188738578. The cubic root of 123210419 is about 497.6024135347.

The spelling of 123210419 in words is "one hundred twenty-three million, two hundred ten thousand, four hundred nineteen".