123247313 has 8 divisors (see below), whose sum is σ = 143512128. Its totient is φ = 103647024.

The previous prime is 123247307. The next prime is 123247367. The reversal of 123247313 is 313742321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123247313 - 2⁶ = 123247249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123247373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165731 + ... + 166472.

It is an arithmetic number, because the mean of its divisors is an integer number (17939016).

Almost surely, 2^123247313 is an apocalyptic number.

It is an amenable number.

123247313 is a deficient number, since it is larger than the sum of its proper divisors (20264815).

123247313 is an equidigital number, since it uses as much as digits as its factorization.

123247313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332263.

The product of its digits is 3024, while the sum is 26.

The square root of 123247313 is about 11101.6806385340. The cubic root of 123247313 is about 497.6520757616.

Adding to 123247313 its reverse (313742321), we get a palindrome (436989634).

The spelling of 123247313 in words is "one hundred twenty-three million, two hundred forty-seven thousand, three hundred thirteen".