123033042002 has 16 divisors (see below), whose sum is σ = 198751461720. Its totient is φ = 56782829952.

The previous prime is 123033041977. The next prime is 123033042007. The reversal of 123033042002 is 200240330321.

123033042002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 112043503441 + 10989538561 = 334729^2 + 104831^2 .

It is not an unprimeable number, because it can be changed into a prime (123033042007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1743518 + ... + 1812710.

Almost surely, 2^123033042002 is an apocalyptic number.

123033042002 is a deficient number, since it is larger than the sum of its proper divisors (75718419718).

123033042002 is a wasteful number, since it uses less digits than its factorization.

123033042002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137597.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 123033042002 its reverse (200240330321), we get a palindrome (323273372323).

The spelling of 123033042002 in words is "one hundred twenty-three billion, thirty-three million, forty-two thousand, two".