11431034423 has 2 divisors, whose sum is σ = 11431034424. Its totient is φ = 11431034422.

The previous prime is 11431034401. The next prime is 11431034441. The reversal of 11431034423 is 32443013411.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (32443013411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11431034423 - 2¹⁸ = 11430772279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11431034392 and 11431034401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11431034123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5715517211 + 5715517212.

It is an arithmetic number, because the mean of its divisors is an integer number (5715517212).

Almost surely, 2^11431034423 is an apocalyptic number.

11431034423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11431034423 is an equidigital number, since it uses as much as digits as its factorization.

11431034423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 11431034423 its reverse (32443013411), we get a palindrome (43874047834).

The spelling of 11431034423 in words is "eleven billion, four hundred thirty-one million, thirty-four thousand, four hundred twenty-three".