3123203073 has 4 divisors (see below), whose sum is σ = 4164270768. Its totient is φ = 2082135380.

The previous prime is 3123203029. The next prime is 3123203089. The reversal of 3123203073 is 3703023213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3123203073 - 2²⁵ = 3089648641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3123203023) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 520533843 + ... + 520533848.

It is an arithmetic number, because the mean of its divisors is an integer number (1041067692).

Almost surely, 2^3123203073 is an apocalyptic number.

It is an amenable number.

3123203073 is a deficient number, since it is larger than the sum of its proper divisors (1041067695).

3123203073 is a wasteful number, since it uses less digits than its factorization.

3123203073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041067694.

The product of its (nonzero) digits is 2268, while the sum is 24.

The square root of 3123203073 is about 55885.6249226937. The cubic root of 3123203073 is about 1461.7285889018.

Adding to 3123203073 its reverse (3703023213), we get a palindrome (6826226286).

The spelling of 3123203073 in words is "three billion, one hundred twenty-three million, two hundred three thousand, seventy-three".