13243123430 has 16 divisors (see below), whose sum is σ = 24606578304. Its totient is φ = 5126370240.

The previous prime is 13243123429. The next prime is 13243123457. The reversal of 13243123430 is 3432134231.

It is a self number, because there is not a number n which added to its sum of digits gives 13243123430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21359567 + ... + 21360186.

It is an arithmetic number, because the mean of its divisors is an integer number (1537911144).

Almost surely, 2^13243123430 is an apocalyptic number.

13243123430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13243123430 is a deficient number, since it is larger than the sum of its proper divisors (11363454874).

13243123430 is a wasteful number, since it uses less digits than its factorization.

13243123430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42719791.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 13243123430 its reverse (3432134231), we get a palindrome (16675257661).

The spelling of 13243123430 in words is "thirteen billion, two hundred forty-three million, one hundred twenty-three thousand, four hundred thirty".