23133554473 has 4 divisors (see below), whose sum is σ = 23338276308. Its totient is φ = 22928832640.

The previous prime is 23133554471. The next prime is 23133554497. The reversal of 23133554473 is 37445533132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11229217024 + 11904337449 = 105968^2 + 109107^2 .

It is a cyclic number.

It is not a de Polignac number, because 23133554473 - 2¹ = 23133554471 is a prime.

It is a super-2 number, since 2×23133554473² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23133554471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102360748 + ... + 102360973.

It is an arithmetic number, because the mean of its divisors is an integer number (5834569077).

Almost surely, 2^23133554473 is an apocalyptic number.

It is an amenable number.

23133554473 is a deficient number, since it is larger than the sum of its proper divisors (204721835).

23133554473 is a wasteful number, since it uses less digits than its factorization.

23133554473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204721834.

The product of its digits is 453600, while the sum is 40.

The spelling of 23133554473 in words is "twenty-three billion, one hundred thirty-three million, five hundred fifty-four thousand, four hundred seventy-three".