3123123002 has 4 divisors (see below), whose sum is σ = 4684684506. Its totient is φ = 1561561500.

The previous prime is 3123123001. The next prime is 3123123083. The reversal of 3123123002 is 2003213213.

3123123002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2003213213 = 1723 ⋅1162631.

It can be written as a sum of positive squares in only one way, i.e., 2974502521 + 148620481 = 54539^2 + 12191^2 .

It is not an unprimeable number, because it can be changed into a prime (3123123001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780780749 + ... + 780780752.

Almost surely, 2^3123123002 is an apocalyptic number.

3123123002 is a deficient number, since it is larger than the sum of its proper divisors (1561561504).

3123123002 is a wasteful number, since it uses less digits than its factorization.

3123123002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561561503.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3123123002 is about 55884.9085353103. The cubic root of 3123123002 is about 1461.7160971247.

Adding to 3123123002 its reverse (2003213213), we get a palindrome (5126336215).

The spelling of 3123123002 in words is "three billion, one hundred twenty-three million, one hundred twenty-three thousand, two".