30203203223 has 4 divisors (see below), whose sum is σ = 30247425288. Its totient is φ = 30158981160.

The previous prime is 30203203207. The next prime is 30203203231. The reversal of 30203203223 is 32230230203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30203203223 - 2⁴ = 30203203207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30203203195 and 30203203204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203202223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22110008 + ... + 22111373.

It is an arithmetic number, because the mean of its divisors is an integer number (7561856322).

Almost surely, 2^30203203223 is an apocalyptic number.

30203203223 is a deficient number, since it is larger than the sum of its proper divisors (44222065).

30203203223 is an equidigital number, since it uses as much as digits as its factorization.

30203203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44222064.

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 30203203223 its reverse (32230230203), we get a palindrome (62433433426).

The spelling of 30203203223 in words is "thirty billion, two hundred three million, two hundred three thousand, two hundred twenty-three".