4123321002 has 12 divisors (see below), whose sum is σ = 8933862210. Its totient is φ = 1374440328.

The previous prime is 4123321001. The next prime is 4123321009. The reversal of 4123321002 is 2001233214.

It can be written as a sum of positive squares in only one way, i.e., 3739200201 + 384120801 = 61149^2 + 19599^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 229073389 = 4123321002 / (4 + 1 + 2 + 3 + 3 + 2 + 1 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (4123321001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114536677 + ... + 114536712.

Almost surely, 2^4123321002 is an apocalyptic number.

4123321002 is an abundant number, since it is smaller than the sum of its proper divisors (4810541208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4123321002 is a wasteful number, since it uses less digits than its factorization.

4123321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229073397 (or 229073394 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4123321002 is about 64213.0905812826. The cubic root of 4123321002 is about 1603.5495417830.

Adding to 4123321002 its reverse (2001233214), we get a palindrome (6124554216).

The spelling of 4123321002 in words is "four billion, one hundred twenty-three million, three hundred twenty-one thousand, two".