123430441219 has 4 divisors (see below), whose sum is σ = 127686663360. Its totient is φ = 119174219080.

The previous prime is 123430441217. The next prime is 123430441231. The reversal of 123430441219 is 912144034321.

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 123430441219 - 2¹ = 123430441217 is a prime.

It is a super-2 number, since 2×123430441219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123430441217) 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, 2128111027 + ... + 2128111084.

It is an arithmetic number, because the mean of its divisors is an integer number (31921665840).

Almost surely, 2^123430441219 is an apocalyptic number.

123430441219 is a deficient number, since it is larger than the sum of its proper divisors (4256222141).

123430441219 is an equidigital number, since it uses as much as digits as its factorization.

123430441219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256222140.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 123430441219 in words is "one hundred twenty-three billion, four hundred thirty million, four hundred forty-one thousand, two hundred nineteen".