123469219 has 2 divisors, whose sum is σ = 123469220. Its totient is φ = 123469218.

The previous prime is 123469139. The next prime is 123469237. The reversal of 123469219 is 912964321.

It is a strong prime.

It is an emirp because it is prime and its reverse (912964321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123469219 - 2⁷ = 123469091 is a prime.

It is a super-2 number, since 2×123469219² = 30489296080939922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123469519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61734609 + 61734610.

It is an arithmetic number, because the mean of its divisors is an integer number (61734610).

Almost surely, 2^123469219 is an apocalyptic number.

123469219 is a deficient number, since it is larger than the sum of its proper divisors (1).

123469219 is an equidigital number, since it uses as much as digits as its factorization.

123469219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 123469219 is about 11111.6703964796. The cubic root of 123469219 is about 497.9505698158.

The spelling of 123469219 in words is "one hundred twenty-three million, four hundred sixty-nine thousand, two hundred nineteen".