30123796 has 12 divisors (see below), whose sum is σ = 55817748. Its totient is φ = 14175872.

The previous prime is 30123787. The next prime is 30123827. The reversal of 30123796 is 69732103.

It can be written as a sum of positive squares in 2 ways, for example, as 17943696 + 12180100 = 4236^2 + 3490^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221431 + ... + 221566.

It is an arithmetic number, because the mean of its divisors is an integer number (4651479).

Almost surely, 2^30123796 is an apocalyptic number.

It is an amenable number.

30123796 is a deficient number, since it is larger than the sum of its proper divisors (25693952).

30123796 is a wasteful number, since it uses less digits than its factorization.

30123796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443018 (or 443016 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 30123796 is about 5488.5149175346. The cubic root of 30123796 is about 311.1500673252.

Adding to 30123796 its reverse (69732103), we get a palindrome (99855899).

The spelling of 30123796 in words is "thirty million, one hundred twenty-three thousand, seven hundred ninety-six".