12344431403 has 2 divisors, whose sum is σ = 12344431404. Its totient is φ = 12344431402.

The previous prime is 12344431373. The next prime is 12344431487. The reversal of 12344431403 is 30413444321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12344431403 - 2¹² = 12344427307 is a prime.

It is not a weakly prime, because it can be changed into another prime (12344491403) 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 as a sum of consecutive naturals, namely, 6172215701 + 6172215702.

It is an arithmetic number, because the mean of its divisors is an integer number (6172215702).

Almost surely, 2^12344431403 is an apocalyptic number.

12344431403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12344431403 is an equidigital number, since it uses as much as digits as its factorization.

12344431403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 12344431403 its reverse (30413444321), we get a palindrome (42757875724).

The spelling of 12344431403 in words is "twelve billion, three hundred forty-four million, four hundred thirty-one thousand, four hundred three".