30203123323 has 4 divisors (see below), whose sum is σ = 30420412120. Its totient is φ = 29985834528.

The previous prime is 30203123243. The next prime is 30203123351. The reversal of 30203123323 is 32332130203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32332130203 = 1483 ⋅21801841.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30203123323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30203123294 and 30203123303.

It is not an unprimeable number, because it can be changed into a prime (30203123723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108644190 + ... + 108644467.

It is an arithmetic number, because the mean of its divisors is an integer number (7605103030).

Almost surely, 2^30203123323 is an apocalyptic number.

30203123323 is a deficient number, since it is larger than the sum of its proper divisors (217288797).

30203123323 is a wasteful number, since it uses less digits than its factorization.

30203123323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217288796.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 30203123323 its reverse (32332130203), we get a palindrome (62535253526).

The spelling of 30203123323 in words is "thirty billion, two hundred three million, one hundred twenty-three thousand, three hundred twenty-three".