1223024513 has 4 divisors (see below), whose sum is σ = 1223339568. Its totient is φ = 1222709460.

The previous prime is 1223024507. The next prime is 1223024519. The reversal of 1223024513 is 3154203221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1223024507) and next prime (1223024519).

It is a cyclic number.

It is not a de Polignac number, because 1223024513 - 2¹⁰ = 1223023489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223024519) 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, 151631 + ... + 159492.

It is an arithmetic number, because the mean of its divisors is an integer number (305834892).

Almost surely, 2^1223024513 is an apocalyptic number.

It is an amenable number.

1223024513 is a deficient number, since it is larger than the sum of its proper divisors (315055).

1223024513 is an equidigital number, since it uses as much as digits as its factorization.

1223024513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315054.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1223024513 is about 34971.7673702660. The cubic root of 1223024513 is about 1069.4120020301.

Adding to 1223024513 its reverse (3154203221), we get a palindrome (4377227734).

The spelling of 1223024513 in words is "one billion, two hundred twenty-three million, twenty-four thousand, five hundred thirteen".