3123243320 has 16 divisors (see below), whose sum is σ = 7027297560. Its totient is φ = 1249297312.

The previous prime is 3123243259. The next prime is 3123243323. The reversal of 3123243320 is 233423213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123243323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39040502 + ... + 39040581.

Almost surely, 2^3123243320 is an apocalyptic number.

It is an amenable number.

3123243320 is an abundant number, since it is smaller than the sum of its proper divisors (3904054240).

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

3123243320 is a wasteful number, since it uses less digits than its factorization.

3123243320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78081094 (or 78081090 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 3123243320 is about 55885.9850051871. The cubic root of 3123243320 is about 1461.7348677056.

Adding to 3123243320 its reverse (233423213), we get a palindrome (3356666533).

The spelling of 3123243320 in words is "three billion, one hundred twenty-three million, two hundred forty-three thousand, three hundred twenty".