3123242402002 has 4 divisors (see below), whose sum is σ = 4684863603006. Its totient is φ = 1561621201000.

The previous prime is 3123242401949. The next prime is 3123242402017. The reversal of 3123242402002 is 2002042423213.

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., 3117240956041 + 6001445961 = 1765571^2 + 77469^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 780810600499 + ... + 780810600502.

Almost surely, 2^{3123242402002} is an apocalyptic number.

3123242402002 is a deficient number, since it is larger than the sum of its proper divisors (1561621201004).

3123242402002 is a wasteful number, since it uses less digits than its factorization.

3123242402002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561621201003.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 3123242402002 its reverse (2002042423213), we get a palindrome (5125284825215).

The spelling of 3123242402002 in words is "three trillion, one hundred twenty-three billion, two hundred forty-two million, four hundred two thousand, two".