30133230123 has 16 divisors (see below), whose sum is σ = 40478296320. Its totient is φ = 19938981216.

The previous prime is 30133230109. The next prime is 30133230131. The reversal of 30133230123 is 32103233103.

It is not a de Polignac number, because 30133230123 - 2⁶ = 30133230059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30133230123.

It is not an unprimeable number, because it can be changed into a prime (30133230623) 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, 186786 + ... + 308472.

It is an arithmetic number, because the mean of its divisors is an integer number (2529893520).

Almost surely, 2^30133230123 is an apocalyptic number.

30133230123 is a deficient number, since it is larger than the sum of its proper divisors (10345066197).

30133230123 is a wasteful number, since it uses less digits than its factorization.

30133230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122306.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30133230123 its reverse (32103233103), we get a palindrome (62236463226).

The spelling of 30133230123 in words is "thirty billion, one hundred thirty-three million, two hundred thirty thousand, one hundred twenty-three".