11449163423 has 2 divisors, whose sum is σ = 11449163424. Its totient is φ = 11449163422.

The previous prime is 11449163371. The next prime is 11449163497. The reversal of 11449163423 is 32436194411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11449163423 - 2¹⁰ = 11449162399 is a prime.

It is a super-2 number, since 2×11449163423² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11449163923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5724581711 + 5724581712.

It is an arithmetic number, because the mean of its divisors is an integer number (5724581712).

Almost surely, 2^11449163423 is an apocalyptic number.

11449163423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11449163423 is an equidigital number, since it uses as much as digits as its factorization.

11449163423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 38.

The spelling of 11449163423 in words is "eleven billion, four hundred forty-nine million, one hundred sixty-three thousand, four hundred twenty-three".