123442423113 has 8 divisors (see below), whose sum is σ = 164613434976. Its totient is φ = 82283180000.

The previous prime is 123442423073. The next prime is 123442423147. The reversal of 123442423113 is 311324244321.

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 123442423113 - 2³⁰ = 122368681289 is a prime.

It is a super-2 number, since 2×123442423113² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123442423183) 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 7 ways as a sum of consecutive naturals, for example, 2917683 + ... + 2959688.

It is an arithmetic number, because the mean of its divisors is an integer number (20576679372).

Almost surely, 2^123442423113 is an apocalyptic number.

It is an amenable number.

123442423113 is a deficient number, since it is larger than the sum of its proper divisors (41171011863).

123442423113 is an equidigital number, since it uses as much as digits as its factorization.

123442423113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884375.

The product of its digits is 13824, while the sum is 30.

Adding to 123442423113 its reverse (311324244321), we get a palindrome (434766667434).

The spelling of 123442423113 in words is "one hundred twenty-three billion, four hundred forty-two million, four hundred twenty-three thousand, one hundred thirteen".