220264512323 has 4 divisors (see below), whose sum is σ = 233221248360. Its totient is φ = 207307776288.

The previous prime is 220264512283. The next prime is 220264512337. The reversal of 220264512323 is 323215462022.

220264512323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323215462022 = 2 ⋅161607731011.

It is a cyclic number.

It is not a de Polignac number, because 220264512323 - 2⁸ = 220264512067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220264512323.

It is not an unprimeable number, because it can be changed into a prime (220264512383) 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, 6478367993 + ... + 6478368026.

It is an arithmetic number, because the mean of its divisors is an integer number (58305312090).

Almost surely, 2^220264512323 is an apocalyptic number.

220264512323 is a deficient number, since it is larger than the sum of its proper divisors (12956736037).

220264512323 is a wasteful number, since it uses less digits than its factorization.

220264512323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12956736036.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 220264512323 its reverse (323215462022), we get a palindrome (543479974345).

The spelling of 220264512323 in words is "two hundred twenty billion, two hundred sixty-four million, five hundred twelve thousand, three hundred twenty-three".