23042005511 has 8 divisors (see below), whose sum is σ = 26495278464. Its totient is φ = 19629122040.

The previous prime is 23042005471. The next prime is 23042005537. The reversal of 23042005511 is 11550024032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23042005511 - 2¹⁰ = 23042004487 is a prime.

It is a super-2 number, since 2×23042005511² (a number of 22 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 (23042005541) 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 7 ways as a sum of consecutive naturals, for example, 10096145 + ... + 10098426.

It is an arithmetic number, because the mean of its divisors is an integer number (3311909808).

Almost surely, 2^23042005511 is an apocalyptic number.

23042005511 is a deficient number, since it is larger than the sum of its proper divisors (3453272953).

23042005511 is a wasteful number, since it uses less digits than its factorization.

23042005511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20194741.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 23042005511 its reverse (11550024032), we get a palindrome (34592029543).

The spelling of 23042005511 in words is "twenty-three billion, forty-two million, five thousand, five hundred eleven".