30233202123 has 4 divisors (see below), whose sum is σ = 40310936168. Its totient is φ = 20155468080.

The previous prime is 30233202091. The next prime is 30233202163. The reversal of 30233202123 is 32120233203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32120233203 = 3 ⋅10706744401.

It is not a de Polignac number, because 30233202123 - 2⁵ = 30233202091 is a prime.

It is a super-2 number, since 2×30233202123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30233202123.

It is not an unprimeable number, because it can be changed into a prime (30233202163) 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, 5038867018 + ... + 5038867023.

It is an arithmetic number, because the mean of its divisors is an integer number (10077734042).

Almost surely, 2^30233202123 is an apocalyptic number.

30233202123 is a deficient number, since it is larger than the sum of its proper divisors (10077734045).

30233202123 is a wasteful number, since it uses less digits than its factorization.

30233202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077734044.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30233202123 its reverse (32120233203), we get a palindrome (62353435326).

The spelling of 30233202123 in words is "thirty billion, two hundred thirty-three million, two hundred two thousand, one hundred twenty-three".