30002123 has 2 divisors, whose sum is σ = 30002124. Its totient is φ = 30002122.

The previous prime is 30002117. The next prime is 30002207. The reversal of 30002123 is 32120003.

It is a weak prime.

It is an emirp because it is prime and its reverse (32120003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30002123 - 2⁴ = 30002107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30002023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15001061 + 15001062.

It is an arithmetic number, because the mean of its divisors is an integer number (15001062).

Almost surely, 2^30002123 is an apocalyptic number.

30002123 is a deficient number, since it is larger than the sum of its proper divisors (1).

30002123 is an equidigital number, since it uses as much as digits as its factorization.

30002123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 30002123 is about 5477.4193741214. The cubic root of 30002123 is about 310.7305800387.

Adding to 30002123 its reverse (32120003), we get a palindrome (62122126).

The spelling of 30002123 in words is "thirty million, two thousand, one hundred twenty-three".