11623135473 has 16 divisors (see below), whose sum is σ = 17246774400. Its totient is φ = 7736465520.

The previous prime is 11623135471. The next prime is 11623135493. The reversal of 11623135473 is 37453132611.

11623135473 is a `hidden beast` number, since 1 + 1 + 6 + 231 + 354 + 73 = 666.

It is not a de Polignac number, because 11623135473 - 2¹ = 11623135471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11623135471) 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 15 ways as a sum of consecutive naturals, for example, 324078 + ... + 358151.

It is an arithmetic number, because the mean of its divisors is an integer number (1077923400).

Almost surely, 2^11623135473 is an apocalyptic number.

It is an amenable number.

11623135473 is a deficient number, since it is larger than the sum of its proper divisors (5623638927).

11623135473 is an equidigital number, since it uses as much as digits as its factorization.

11623135473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682869 (or 682863 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The spelling of 11623135473 in words is "eleven billion, six hundred twenty-three million, one hundred thirty-five thousand, four hundred seventy-three".