30211233223123 has 2 divisors, whose sum is σ = 30211233223124. Its totient is φ = 30211233223122.

The previous prime is 30211233223109. The next prime is 30211233223151. The reversal of 30211233223123 is 32132233211203.

It is a happy number.

It is an a-pointer prime, because the next prime (30211233223151) can be obtained adding 30211233223123 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30211233223123 - 2⁵ = 30211233223091 is a prime.

It is a super-2 number, since 2×30211233223123² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30211233223091 and 30211233223100.

It is not a weakly prime, because it can be changed into another prime (30211233223103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105616611561 + 15105616611562.

It is an arithmetic number, because the mean of its divisors is an integer number (15105616611562).

Almost surely, 2^{30211233223123} is an apocalyptic number.

30211233223123 is a deficient number, since it is larger than the sum of its proper divisors (1).

30211233223123 is an equidigital number, since it uses as much as digits as its factorization.

30211233223123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 30211233223123 its reverse (32132233211203), we get a palindrome (62343466434326).

The spelling of 30211233223123 in words is "thirty trillion, two hundred eleven billion, two hundred thirty-three million, two hundred twenty-three thousand, one hundred twenty-three".