123020030311 has 8 divisors (see below), whose sum is σ = 123532041600. Its totient is φ = 122509006200.

The previous prime is 123020030299. The next prime is 123020030317. The reversal of 123020030311 is 113030020321.

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 123020030311 - 2⁹ = 123020029799 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 (123020030317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3486 + ... + 496036.

It is an arithmetic number, because the mean of its divisors is an integer number (15441505200).

Almost surely, 2^123020030311 is an apocalyptic number.

123020030311 is a deficient number, since it is larger than the sum of its proper divisors (512011289).

123020030311 is an equidigital number, since it uses as much as digits as its factorization.

123020030311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493589.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 123020030311 its reverse (113030020321), we get a palindrome (236050050632).

The spelling of 123020030311 in words is "one hundred twenty-three billion, twenty million, thirty thousand, three hundred eleven".