30211230123 has 16 divisors (see below), whose sum is σ = 44763334560. Its totient is φ = 20138139648.

The previous prime is 30211230067. The next prime is 30211230139. The reversal of 30211230123 is 32103211203.

30211230123 is a `hidden beast` number, since 302 + 11 + 230 + 123 = 666.

It is not a de Polignac number, because 30211230123 - 2⁹ = 30211229611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30211230096 and 30211230105.

It is not an unprimeable number, because it can be changed into a prime (30211230143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143811 + ... + 284787.

It is an arithmetic number, because the mean of its divisors is an integer number (2797708410).

Almost surely, 2^30211230123 is an apocalyptic number.

30211230123 is a deficient number, since it is larger than the sum of its proper divisors (14552104437).

30211230123 is a wasteful number, since it uses less digits than its factorization.

30211230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148923 (or 148917 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30211230123 its reverse (32103211203), we get a palindrome (62314441326).

The spelling of 30211230123 in words is "thirty billion, two hundred eleven million, two hundred thirty thousand, one hundred twenty-three".