30123020104 has 16 divisors (see below), whose sum is σ = 56516638320. Its totient is φ = 15051916560.

The previous prime is 30123020101. The next prime is 30123020107. The reversal of 30123020104 is 40102032103.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30123020101) and next prime (30123020107).

It is not an unprimeable number, because it can be changed into a prime (30123020101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1185834 + ... + 1210969.

It is an arithmetic number, because the mean of its divisors is an integer number (3532289895).

Almost surely, 2^30123020104 is an apocalyptic number.

It is an amenable number.

30123020104 is a deficient number, since it is larger than the sum of its proper divisors (26393618216).

30123020104 is a wasteful number, since it uses less digits than its factorization.

30123020104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398380 (or 2398376 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30123020104 its reverse (40102032103), we get a palindrome (70225052207).

The spelling of 30123020104 in words is "thirty billion, one hundred twenty-three million, twenty thousand, one hundred four".