30223123002311 has 4 divisors (see below), whose sum is σ = 30224764422072. Its totient is φ = 30221481582552.

The previous prime is 30223123002287. The next prime is 30223123002329. The reversal of 30223123002311 is 11320032132203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30223123002311 is a prime.

It is a super-2 number, since 2×30223123002311² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223123002911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820682261 + ... + 820719086.

It is an arithmetic number, because the mean of its divisors is an integer number (7556191105518).

Almost surely, 2^{30223123002311} is an apocalyptic number.

30223123002311 is a deficient number, since it is larger than the sum of its proper divisors (1641419761).

30223123002311 is a wasteful number, since it uses less digits than its factorization.

30223123002311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641419760.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30223123002311 its reverse (11320032132203), we get a palindrome (41543155134514).

The spelling of 30223123002311 in words is "thirty trillion, two hundred twenty-three billion, one hundred twenty-three million, two thousand, three hundred eleven".