11455124223 has 4 divisors (see below), whose sum is σ = 15273498968. Its totient is φ = 7636749480.

The previous prime is 11455124179. The next prime is 11455124231. The reversal of 11455124223 is 32242155411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32242155411 = 3 ⋅10747385137.

It is not a de Polignac number, because 11455124223 - 2¹⁶ = 11455058687 is a prime.

It is a super-2 number, since 2×11455124223² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11455126223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1909187368 + ... + 1909187373.

It is an arithmetic number, because the mean of its divisors is an integer number (3818374742).

Almost surely, 2^11455124223 is an apocalyptic number.

11455124223 is a deficient number, since it is larger than the sum of its proper divisors (3818374745).

11455124223 is an equidigital number, since it uses as much as digits as its factorization.

11455124223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818374744.

The product of its digits is 9600, while the sum is 30.

Adding to 11455124223 its reverse (32242155411), we get a palindrome (43697279634).

The spelling of 11455124223 in words is "eleven billion, four hundred fifty-five million, one hundred twenty-four thousand, two hundred twenty-three".