1723827361 has 3 divisors (see below), whose sum is σ = 1723868881. Its totient is φ = 1723785842.

The previous prime is 1723827359. The next prime is 1723827397. The reversal of 1723827361 is 1637283271.

It is a happy number.

The square root of 1723827361 is 41519.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1637283271 = 13 ⋅125944867.

It is not a de Polignac number, because 1723827361 - 2¹ = 1723827359 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1723827341) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20760 + ... + 62278.

Almost surely, 2^1723827361 is an apocalyptic number.

1723827361 is the 41519-th square number.

1723827361 is the 20760-th centered octagonal number.

It is an amenable number.

1723827361 is a deficient number, since it is larger than the sum of its proper divisors (41520).

1723827361 is an frugal number, since it uses more digits than its factorization.

1723827361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83038 (or 41519 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The cubic root of 1723827361 is about 1199.0333328472.

The spelling of 1723827361 in words is "one billion, seven hundred twenty-three million, eight hundred twenty-seven thousand, three hundred sixty-one".