3123573797 has 4 divisors (see below), whose sum is σ = 3133553580. Its totient is φ = 3113594016.

The previous prime is 3123573779. The next prime is 3123573823. The reversal of 3123573797 is 7973753213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129185956 + 2994387841 = 11366^2 + 54721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3123573797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123573197) 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 3 ways as a sum of consecutive naturals, for example, 4989422 + ... + 4990047.

It is an arithmetic number, because the mean of its divisors is an integer number (783388395).

Almost surely, 2^3123573797 is an apocalyptic number.

It is an amenable number.

3123573797 is a deficient number, since it is larger than the sum of its proper divisors (9979783).

3123573797 is an equidigital number, since it uses as much as digits as its factorization.

3123573797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9979782.

The product of its digits is 833490, while the sum is 47.

The square root of 3123573797 is about 55888.9416342804. The cubic root of 3123573797 is about 1461.7864223095.

The spelling of 3123573797 in words is "three billion, one hundred twenty-three million, five hundred seventy-three thousand, seven hundred ninety-seven".