30123040450 has 12 divisors (see below), whose sum is σ = 56028855330. Its totient is φ = 12049216160.

The previous prime is 30123040417. The next prime is 30123040487. The reversal of 30123040450 is 5404032103.

It can be written as a sum of positive squares in 3 ways, for example, as 24627338761 + 5495701689 = 156931^2 + 74133^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 301230355 + ... + 301230454.

Almost surely, 2^30123040450 is an apocalyptic number.

30123040450 is a deficient number, since it is larger than the sum of its proper divisors (25905814880).

30123040450 is a wasteful number, since it uses less digits than its factorization.

30123040450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602460821 (or 602460816 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 30123040450 its reverse (5404032103), we get a palindrome (35527072553).

The spelling of 30123040450 in words is "thirty billion, one hundred twenty-three million, forty thousand, four hundred fifty".