123013204 has 6 divisors (see below), whose sum is σ = 215273114. Its totient is φ = 61506600.

The previous prime is 123013199. The next prime is 123013213. The reversal of 123013204 is 402310321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 113465104 + 9548100 = 10652^2 + 3090^2 .

It is a congruent 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 as a sum of consecutive naturals, namely, 15376647 + ... + 15376654.

Almost surely, 2^123013204 is an apocalyptic number.

It is an amenable number.

123013204 is a deficient number, since it is larger than the sum of its proper divisors (92259910).

123013204 is a wasteful number, since it uses less digits than its factorization.

123013204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30753305 (or 30753303 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 123013204 is about 11091.1317727273. The cubic root of 123013204 is about 497.3367783537.

Adding to 123013204 its reverse (402310321), we get a palindrome (525323525).

The spelling of 123013204 in words is "one hundred twenty-three million, thirteen thousand, two hundred four".