123800002 has 16 divisors (see below), whose sum is σ = 193413312. Its totient is φ = 59376240.

The previous prime is 123799969. The next prime is 123800023. The reversal of 123800002 is 200008321.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6528 + ... + 17035.

It is an arithmetic number, because the mean of its divisors is an integer number (12088332).

Almost surely, 2^123800002 is an apocalyptic number.

123800002 is a deficient number, since it is larger than the sum of its proper divisors (69613310).

123800002 is a wasteful number, since it uses less digits than its factorization.

123800002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23673.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 123800002 is about 11126.5449264361. The cubic root of 123800002 is about 498.3948552012.

Adding to 123800002 its reverse (200008321), we get a palindrome (323808323).

The spelling of 123800002 in words is "one hundred twenty-three million, eight hundred thousand, two".