124223113313 has 4 divisors (see below), whose sum is σ = 133778737428. Its totient is φ = 114667489200.

The previous prime is 124223113309. The next prime is 124223113319. The reversal of 124223113313 is 313311322421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313311322421 = 241 ⋅1300046981.

It can be written as a sum of positive squares in 2 ways, for example, as 44410083169 + 79813030144 = 210737^2 + 282512^2 .

It is a cyclic number.

It is not a de Polignac number, because 124223113313 - 2² = 124223113309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124223113319) 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, 4777812038 + ... + 4777812063.

It is an arithmetic number, because the mean of its divisors is an integer number (33444684357).

Almost surely, 2^124223113313 is an apocalyptic number.

124223113313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

124223113313 is a deficient number, since it is larger than the sum of its proper divisors (9555624115).

124223113313 is an equidigital number, since it uses as much as digits as its factorization.

124223113313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9555624114.

The product of its digits is 2592, while the sum is 26.

Adding to 124223113313 its reverse (313311322421), we get a palindrome (437534435734).

The spelling of 124223113313 in words is "one hundred twenty-four billion, two hundred twenty-three million, one hundred thirteen thousand, three hundred thirteen".