30002200123 has 4 divisors (see below), whose sum is σ = 34288228720. Its totient is φ = 25716171528.

The previous prime is 30002200121. The next prime is 30002200127. The reversal of 30002200123 is 32100220003.

It is a happy number.

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 30002200123 - 2¹ = 30002200121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30002200121) 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, 2143014288 + ... + 2143014301.

It is an arithmetic number, because the mean of its divisors is an integer number (8572057180).

Almost surely, 2^30002200123 is an apocalyptic number.

30002200123 is a deficient number, since it is larger than the sum of its proper divisors (4286028597).

30002200123 is an equidigital number, since it uses as much as digits as its factorization.

30002200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286028596.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30002200123 its reverse (32100220003), we get a palindrome (62102420126).

The spelling of 30002200123 in words is "thirty billion, two million, two hundred thousand, one hundred twenty-three".