11447223073 has 64 divisors (see below), whose sum is σ = 14466719232. Its totient is φ = 8908922880.

The previous prime is 11447223061. The next prime is 11447223079. The reversal of 11447223073 is 37032274411.

It is a de Polignac number, because none of the positive numbers 2^k-11447223073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11447223079) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16908411 + ... + 16909087.

It is an arithmetic number, because the mean of its divisors is an integer number (226042488).

Almost surely, 2^11447223073 is an apocalyptic number.

11447223073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11447223073 is a deficient number, since it is larger than the sum of its proper divisors (3019496159).

11447223073 is a wasteful number, since it uses less digits than its factorization.

11447223073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874.

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 11447223073 its reverse (37032274411), we get a palindrome (48479497484).

The spelling of 11447223073 in words is "eleven billion, four hundred forty-seven million, two hundred twenty-three thousand, seventy-three".