30321112121223 has 128 divisors (see below), whose sum is σ = 53078801817600. Its totient is φ = 14935361548800.

The previous prime is 30321112121221. The next prime is 30321112121233. The reversal of 30321112121223 is 32212121112303.

It is not a de Polignac number, because 30321112121223 - 2¹ = 30321112121221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30321112121193 and 30321112121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321112121221) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 400341268 + ... + 400416998.

It is an arithmetic number, because the mean of its divisors is an integer number (414678139200).

Almost surely, 2^{30321112121223} is an apocalyptic number.

30321112121223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30321112121223 is a deficient number, since it is larger than the sum of its proper divisors (22757689696377).

30321112121223 is a wasteful number, since it uses less digits than its factorization.

30321112121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76853.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 30321112121223 its reverse (32212121112303), we get a palindrome (62533233233526).

The spelling of 30321112121223 in words is "thirty trillion, three hundred twenty-one billion, one hundred twelve million, one hundred twenty-one thousand, two hundred twenty-three".