30303213023 has 4 divisors (see below), whose sum is σ = 31620744048. Its totient is φ = 28985682000.

The previous prime is 30303213019. The next prime is 30303213029. The reversal of 30303213023 is 32031230303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32031230303 = 151 ⋅212127353.

It is a cyclic number.

It is not a de Polignac number, because 30303213023 - 2² = 30303213019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30303212986 and 30303213004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30303213029) 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, 658765478 + ... + 658765523.

It is an arithmetic number, because the mean of its divisors is an integer number (7905186012).

Almost surely, 2^30303213023 is an apocalyptic number.

30303213023 is a deficient number, since it is larger than the sum of its proper divisors (1317531025).

30303213023 is a wasteful number, since it uses less digits than its factorization.

30303213023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317531024.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30303213023 its reverse (32031230303), we get a palindrome (62334443326).

The spelling of 30303213023 in words is "thirty billion, three hundred three million, two hundred thirteen thousand, twenty-three".