23555800469 has 4 divisors (see below), whose sum is σ = 23556157644. Its totient is φ = 23555443296.

The previous prime is 23555800357. The next prime is 23555800481. The reversal of 23555800469 is 96400855532.

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 21500356900 + 2055443569 = 146630^2 + 45337^2 .

It is a cyclic number.

It is not a de Polignac number, because 23555800469 - 2¹⁶ = 23555734933 is a prime.

It is a super-2 number, since 2×23555800469² (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 (23555800769) 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 3 ways as a sum of consecutive naturals, for example, 47672 + ... + 222225.

It is an arithmetic number, because the mean of its divisors is an integer number (5889039411).

Almost surely, 2^23555800469 is an apocalyptic number.

It is an amenable number.

23555800469 is a deficient number, since it is larger than the sum of its proper divisors (357175).

23555800469 is an equidigital number, since it uses as much as digits as its factorization.

23555800469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357174.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 23555800469 in words is "twenty-three billion, five hundred fifty-five million, eight hundred thousand, four hundred sixty-nine".