30144423233 has 4 divisors (see below), whose sum is σ = 30318668628. Its totient is φ = 29970177840.

The previous prime is 30144423227. The next prime is 30144423263. The reversal of 30144423233 is 33232444103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33232444103 = 71 ⋅468062593.

It can be written as a sum of positive squares in 2 ways, for example, as 13029765904 + 17114657329 = 114148^2 + 130823^2 .

It is a cyclic number.

It is not a de Polignac number, because 30144423233 - 2¹⁴ = 30144406849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30144423196 and 30144423205.

It is not an unprimeable number, because it can be changed into a prime (30144423203) 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, 87122438 + ... + 87122783.

It is an arithmetic number, because the mean of its divisors is an integer number (7579667157).

Almost surely, 2^30144423233 is an apocalyptic number.

It is an amenable number.

30144423233 is a deficient number, since it is larger than the sum of its proper divisors (174245395).

30144423233 is a wasteful number, since it uses less digits than its factorization.

30144423233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174245394.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 30144423233 its reverse (33232444103), we get a palindrome (63376867336).

The spelling of 30144423233 in words is "thirty billion, one hundred forty-four million, four hundred twenty-three thousand, two hundred thirty-three".