11403240124231 has 2 divisors, whose sum is σ = 11403240124232. Its totient is φ = 11403240124230.

The previous prime is 11403240124223. The next prime is 11403240124261. The reversal of 11403240124231 is 13242104230411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11403240124231 - 2³ = 11403240124223 is a prime.

It is a super-2 number, since 2×11403240124231² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11403240124231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11403240124261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701620062115 + 5701620062116.

It is an arithmetic number, because the mean of its divisors is an integer number (5701620062116).

Almost surely, 2^{11403240124231} is an apocalyptic number.

11403240124231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11403240124231 is an equidigital number, since it uses as much as digits as its factorization.

11403240124231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 11403240124231 its reverse (13242104230411), we get a palindrome (24645344354642).

The spelling of 11403240124231 in words is "eleven trillion, four hundred three billion, two hundred forty million, one hundred twenty-four thousand, two hundred thirty-one".