123430244443 has 16 divisors (see below), whose sum is σ = 138037565952. Its totient is φ = 109396980000.

The previous prime is 123430244429. The next prime is 123430244449. The reversal of 123430244443 is 344442034321.

It is not a de Polignac number, because 123430244443 - 2²¹ = 123428147291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123430244399 and 123430244408.

It is not an unprimeable number, because it can be changed into a prime (123430244449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14718 + ... + 497068.

It is an arithmetic number, because the mean of its divisors is an integer number (8627347872).

Almost surely, 2^123430244443 is an apocalyptic number.

123430244443 is a deficient number, since it is larger than the sum of its proper divisors (14607321509).

123430244443 is a wasteful number, since it uses less digits than its factorization.

123430244443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482946.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 123430244443 its reverse (344442034321), we get a palindrome (467872278764).

The spelling of 123430244443 in words is "one hundred twenty-three billion, four hundred thirty million, two hundred forty-four thousand, four hundred forty-three".