123030002 has 4 divisors (see below), whose sum is σ = 184545006. Its totient is φ = 61515000.

The previous prime is 123029999. The next prime is 123030029. The reversal of 123030002 is 200030321.

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

It can be written as a sum of positive squares in only one way, i.e., 117917881 + 5112121 = 10859^2 + 2261^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30757499 + ... + 30757502.

Almost surely, 2^123030002 is an apocalyptic number.

123030002 is a deficient number, since it is larger than the sum of its proper divisors (61515004).

123030002 is an equidigital number, since it uses as much as digits as its factorization.

123030002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61515003.

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

The square root of 123030002 is about 11091.8890185577. The cubic root of 123030002 is about 497.3594151728.

Adding to 123030002 its reverse (200030321), we get a palindrome (323060323).

The spelling of 123030002 in words is "one hundred twenty-three million, thirty thousand, two".