30012021323 has 16 divisors (see below), whose sum is σ = 32884056000. Its totient is φ = 27263588352.

The previous prime is 30012021287. The next prime is 30012021343. The reversal of 30012021323 is 32312021003.

It is a cyclic number.

It is not a de Polignac number, because 30012021323 - 2¹⁰ = 30012020299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30012021343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1825283 + ... + 1841651.

It is an arithmetic number, because the mean of its divisors is an integer number (2055253500).

Almost surely, 2^30012021323 is an apocalyptic number.

30012021323 is a deficient number, since it is larger than the sum of its proper divisors (2872034677).

30012021323 is a wasteful number, since it uses less digits than its factorization.

30012021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20134.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30012021323 its reverse (32312021003), we get a palindrome (62324042326).

The spelling of 30012021323 in words is "thirty billion, twelve million, twenty-one thousand, three hundred twenty-three".