30142123304 has 16 divisors (see below), whose sum is σ = 56608089300. Its totient is φ = 15046632832.

The previous prime is 30142123289. The next prime is 30142123357. The reversal of 30142123304 is 40332124103.

It can be written as a sum of positive squares in 2 ways, for example, as 23501503204 + 6640620100 = 153302^2 + 81490^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30142123304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3048359 + ... + 3058230.

Almost surely, 2^30142123304 is an apocalyptic number.

It is an amenable number.

30142123304 is a deficient number, since it is larger than the sum of its proper divisors (26465965996).

30142123304 is a wasteful number, since it uses less digits than its factorization.

30142123304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107212 (or 6107208 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30142123304 its reverse (40332124103), we get a palindrome (70474247407).

The spelling of 30142123304 in words is "thirty billion, one hundred forty-two million, one hundred twenty-three thousand, three hundred four".