12144123403 has 2 divisors, whose sum is σ = 12144123404. Its totient is φ = 12144123402.

The previous prime is 12144123379. The next prime is 12144123419. The reversal of 12144123403 is 30432144121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12144123403 - 2¹³ = 12144115211 is a prime.

It is not a weakly prime, because it can be changed into another prime (12144123463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072061701 + 6072061702.

It is an arithmetic number, because the mean of its divisors is an integer number (6072061702).

Almost surely, 2^12144123403 is an apocalyptic number.

12144123403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144123403 is an equidigital number, since it uses as much as digits as its factorization.

12144123403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12144123403 its reverse (30432144121), we get a palindrome (42576267524).

The spelling of 12144123403 in words is "twelve billion, one hundred forty-four million, one hundred twenty-three thousand, four hundred three".