11453230143 has 10 divisors (see below), whose sum is σ = 17109146384. Its totient is φ = 7635486708.

The previous prime is 11453230091. The next prime is 11453230181. The reversal of 11453230143 is 34103235411.

It is a happy number.

11453230143 is a `hidden beast` number, since 114 + 532 + 3 + 0 + 14 + 3 = 666.

It is not a de Polignac number, because 11453230143 - 2⁶ = 11453230079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11453230183) 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 in 9 ways as a sum of consecutive naturals, for example, 70698871 + ... + 70699032.

Almost surely, 2^11453230143 is an apocalyptic number.

11453230143 is a deficient number, since it is larger than the sum of its proper divisors (5655916241).

11453230143 is an equidigital number, since it uses as much as digits as its factorization.

11453230143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141397915 (or 141397906 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 11453230143 its reverse (34103235411), we get a palindrome (45556465554).

The spelling of 11453230143 in words is "eleven billion, four hundred fifty-three million, two hundred thirty thousand, one hundred forty-three".