123244513 has 8 divisors (see below), whose sum is σ = 142780928. Its totient is φ = 104190624.

The previous prime is 123244487. The next prime is 123244523. The reversal of 123244513 is 315442321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123244513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123244523) 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, 120081 + ... + 121102.

It is an arithmetic number, because the mean of its divisors is an integer number (17847616).

Almost surely, 2^123244513 is an apocalyptic number.

It is an amenable number.

123244513 is a deficient number, since it is larger than the sum of its proper divisors (19536415).

123244513 is an equidigital number, since it uses as much as digits as its factorization.

123244513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241263.

The product of its digits is 2880, while the sum is 25.

The square root of 123244513 is about 11101.5545307853. The cubic root of 123244513 is about 497.6483070888.

Adding to 123244513 its reverse (315442321), we get a palindrome (438686834).

The spelling of 123244513 in words is "one hundred twenty-three million, two hundred forty-four thousand, five hundred thirteen".