124402320313 has 4 divisors (see below), whose sum is σ = 127049178240. Its totient is φ = 121755462388.

The previous prime is 124402320281. The next prime is 124402320349. The reversal of 124402320313 is 313023204421.

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 a cyclic number.

It is not a de Polignac number, because 124402320313 - 2⁵ = 124402320281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124402320373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323428893 + ... + 1323428986.

It is an arithmetic number, because the mean of its divisors is an integer number (31762294560).

Almost surely, 2^124402320313 is an apocalyptic number.

It is an amenable number.

124402320313 is a deficient number, since it is larger than the sum of its proper divisors (2646857927).

124402320313 is an equidigital number, since it uses as much as digits as its factorization.

124402320313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646857926.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 124402320313 its reverse (313023204421), we get a palindrome (437425524734).

The spelling of 124402320313 in words is "one hundred twenty-four billion, four hundred two million, three hundred twenty thousand, three hundred thirteen".