1310223223 has 4 divisors (see below), whose sum is σ = 1379182360. Its totient is φ = 1241264088.

The previous prime is 1310223217. The next prime is 1310223241. The reversal of 1310223223 is 3223220131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3223220131 = 48571 ⋅66361.

It is a cyclic number.

It is not a de Polignac number, because 1310223223 - 2²⁵ = 1276668791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 68959117 = 1310223223 / (1 + 3 + 1 + 0 + 2 + 2 + 3 + 2 + 2 + 3).

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 1310223223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310223203) 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 3 ways as a sum of consecutive naturals, for example, 34479540 + ... + 34479577.

It is an arithmetic number, because the mean of its divisors is an integer number (344795590).

Almost surely, 2^1310223223 is an apocalyptic number.

1310223223 is a deficient number, since it is larger than the sum of its proper divisors (68959137).

1310223223 is an equidigital number, since it uses as much as digits as its factorization.

1310223223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68959136.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1310223223 is about 36197.0057187055. The cubic root of 1310223223 is about 1094.2463272169.

Adding to 1310223223 its reverse (3223220131), we get a palindrome (4533443354).

The spelling of 1310223223 in words is "one billion, three hundred ten million, two hundred twenty-three thousand, two hundred twenty-three".