123214440443 has 4 divisors (see below), whose sum is σ = 123672486960. Its totient is φ = 122756393928.

The previous prime is 123214440413. The next prime is 123214440449. The reversal of 123214440443 is 344044412321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344044412321 = 113 ⋅3044640817.

It is a cyclic number.

It is not a de Polignac number, because 123214440443 - 2⁶ = 123214440379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123214440449) 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, 229022855 + ... + 229023392.

It is an arithmetic number, because the mean of its divisors is an integer number (30918121740).

Almost surely, 2^123214440443 is an apocalyptic number.

123214440443 is a deficient number, since it is larger than the sum of its proper divisors (458046517).

123214440443 is an equidigital number, since it uses as much as digits as its factorization.

123214440443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458046516.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 123214440443 its reverse (344044412321), we get a palindrome (467258852764).

The spelling of 123214440443 in words is "one hundred twenty-three billion, two hundred fourteen million, four hundred forty thousand, four hundred forty-three".