30120402323 has 16 divisors (see below), whose sum is σ = 33325204992. Its totient is φ = 26993736000.

The previous prime is 30120402317. The next prime is 30120402359. The reversal of 30120402323 is 32320402103.

It is not a de Polignac number, because 30120402323 - 2⁶ = 30120402259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30120402295 and 30120402304.

It is not an unprimeable number, because it can be changed into a prime (30120402383) 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 15 ways as a sum of consecutive naturals, for example, 1847618 + ... + 1863848.

It is an arithmetic number, because the mean of its divisors is an integer number (2082825312).

Almost surely, 2^30120402323 is an apocalyptic number.

30120402323 is a deficient number, since it is larger than the sum of its proper divisors (3204802669).

30120402323 is a wasteful number, since it uses less digits than its factorization.

30120402323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18626.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30120402323 its reverse (32320402103), we get a palindrome (62440804426).

The spelling of 30120402323 in words is "thirty billion, one hundred twenty million, four hundred two thousand, three hundred twenty-three".