1300523223 has 4 divisors (see below), whose sum is σ = 1734030968. Its totient is φ = 867015480.

The previous prime is 1300523219. The next prime is 1300523291. The reversal of 1300523223 is 3223250031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1300523223 - 2² = 1300523219 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 1300523223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300523123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216753868 + ... + 216753873.

It is an arithmetic number, because the mean of its divisors is an integer number (433507742).

Almost surely, 2^1300523223 is an apocalyptic number.

1300523223 is a deficient number, since it is larger than the sum of its proper divisors (433507745).

1300523223 is an equidigital number, since it uses as much as digits as its factorization.

1300523223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433507744.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 1300523223 is about 36062.7678222291. The cubic root of 1300523223 is about 1091.5392844110.

Adding to 1300523223 its reverse (3223250031), we get a palindrome (4523773254).

The spelling of 1300523223 in words is "one billion, three hundred million, five hundred twenty-three thousand, two hundred twenty-three".