123030312443 has 8 divisors (see below), whose sum is σ = 128806146000. Its totient is φ = 117356706208.

The previous prime is 123030312421. The next prime is 123030312469. The reversal of 123030312443 is 344213030321.

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 123030312443 - 2¹² = 123030308347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123030312403) 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, 25554368 + ... + 25559181.

It is an arithmetic number, because the mean of its divisors is an integer number (16100768250).

Almost surely, 2^123030312443 is an apocalyptic number.

123030312443 is a deficient number, since it is larger than the sum of its proper divisors (5775833557).

123030312443 is an equidigital number, since it uses as much as digits as its factorization.

123030312443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51113661.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 123030312443 its reverse (344213030321), we get a palindrome (467243342764).

The spelling of 123030312443 in words is "one hundred twenty-three billion, thirty million, three hundred twelve thousand, four hundred forty-three".