30203214123 has 4 divisors (see below), whose sum is σ = 40270952168. Its totient is φ = 20135476080.

The previous prime is 30203214121. The next prime is 30203214127. The reversal of 30203214123 is 32141230203.

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

It is not a de Polignac number, because 30203214123 - 2¹ = 30203214121 is a prime.

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 30203214123.

It is not an unprimeable number, because it can be changed into a prime (30203214121) 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, 5033869018 + ... + 5033869023.

It is an arithmetic number, because the mean of its divisors is an integer number (10067738042).

Almost surely, 2^30203214123 is an apocalyptic number.

30203214123 is a deficient number, since it is larger than the sum of its proper divisors (10067738045).

30203214123 is a wasteful number, since it uses less digits than its factorization.

30203214123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067738044.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30203214123 its reverse (32141230203), we get a palindrome (62344444326).

The spelling of 30203214123 in words is "thirty billion, two hundred three million, two hundred fourteen thousand, one hundred twenty-three".