12430440541 has 4 divisors (see below), whose sum is σ = 12432399232. Its totient is φ = 12428481852.

The previous prime is 12430440523. The next prime is 12430440563. The reversal of 12430440541 is 14504403421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12430440541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12430440041) 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 in 3 ways as a sum of consecutive naturals, for example, 969795 + ... + 982528.

It is an arithmetic number, because the mean of its divisors is an integer number (3108099808).

Almost surely, 2^12430440541 is an apocalyptic number.

It is an amenable number.

12430440541 is a deficient number, since it is larger than the sum of its proper divisors (1958691).

12430440541 is an equidigital number, since it uses as much as digits as its factorization.

12430440541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958690.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 12430440541 its reverse (14504403421), we get a palindrome (26934843962).

The spelling of 12430440541 in words is "twelve billion, four hundred thirty million, four hundred forty thousand, five hundred forty-one".