23553355511 has 16 divisors (see below), whose sum is σ = 27126273600. Its totient is φ = 20032604160.

The previous prime is 23553355457. The next prime is 23553355513. The reversal of 23553355511 is 11555335532.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23553355511 is a prime.

It is a super-2 number, since 2×23553355511² (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 (23553355513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3304031 + ... + 3311151.

It is an arithmetic number, because the mean of its divisors is an integer number (1695392100).

Almost surely, 2^23553355511 is an apocalyptic number.

23553355511 is a deficient number, since it is larger than the sum of its proper divisors (3572918089).

23553355511 is a wasteful number, since it uses less digits than its factorization.

23553355511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10714.

The product of its digits is 168750, while the sum is 38.

The spelling of 23553355511 in words is "twenty-three billion, five hundred fifty-three million, three hundred fifty-five thousand, five hundred eleven".