23555214533 has 4 divisors (see below), whose sum is σ = 24367463340. Its totient is φ = 22742965728.

The previous prime is 23555214493. The next prime is 23555214587. The reversal of 23555214533 is 33541255532.

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 6640131169 + 16915083364 = 81487^2 + 130058^2 .

It is a cyclic number.

It is not a de Polignac number, because 23555214533 - 2⁶ = 23555214469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23555214593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406124360 + ... + 406124417.

It is an arithmetic number, because the mean of its divisors is an integer number (6091865835).

Almost surely, 2^23555214533 is an apocalyptic number.

It is an amenable number.

23555214533 is a deficient number, since it is larger than the sum of its proper divisors (812248807).

23555214533 is an equidigital number, since it uses as much as digits as its factorization.

23555214533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812248806.

The product of its digits is 270000, while the sum is 38.

The spelling of 23555214533 in words is "twenty-three billion, five hundred fifty-five million, two hundred fourteen thousand, five hundred thirty-three".