123123144013 has 8 divisors (see below), whose sum is σ = 127114462976. Its totient is φ = 119133050400.

The previous prime is 123123144007. The next prime is 123123144043. The reversal of 123123144013 is 310441321321.

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 123123144013 - 2²⁹ = 122586273101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123123144043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99903 + ... + 506188.

It is an arithmetic number, because the mean of its divisors is an integer number (15889307872).

Almost surely, 2^123123144013 is an apocalyptic number.

It is an amenable number.

123123144013 is a deficient number, since it is larger than the sum of its proper divisors (3991318963).

123123144013 is an equidigital number, since it uses as much as digits as its factorization.

123123144013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612675.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123123144013 its reverse (310441321321), we get a palindrome (433564465334).

The spelling of 123123144013 in words is "one hundred twenty-three billion, one hundred twenty-three million, one hundred forty-four thousand, thirteen".