30123123311 has 8 divisors (see below), whose sum is σ = 30442571040. Its totient is φ = 29803857408.

The previous prime is 30123123307. The next prime is 30123123343. The reversal of 30123123311 is 11332132103.

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 30123123311 - 2² = 30123123307 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 (30123143311) 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, 301595 + ... + 388851.

It is an arithmetic number, because the mean of its divisors is an integer number (3805321380).

Almost surely, 2^30123123311 is an apocalyptic number.

30123123311 is a deficient number, since it is larger than the sum of its proper divisors (319447729).

30123123311 is an equidigital number, since it uses as much as digits as its factorization.

30123123311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90913.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30123123311 its reverse (11332132103), we get a palindrome (41455255414).

The spelling of 30123123311 in words is "thirty billion, one hundred twenty-three million, one hundred twenty-three thousand, three hundred eleven".