1573878823 has 12 divisors (see below), whose sum is σ = 1733235784. Its totient is φ = 1428094800.

The previous prime is 1573878811. The next prime is 1573878833. The reversal of 1573878823 is 3288783751.

It is a happy number.

It is not a de Polignac number, because 1573878823 - 2⁹ = 1573878311 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 (1573878833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53440 + ... + 77482.

Almost surely, 2^1573878823 is an apocalyptic number.

1573878823 is a deficient number, since it is larger than the sum of its proper divisors (159356961).

1573878823 is a wasteful number, since it uses less digits than its factorization.

1573878823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24606 (or 24595 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 52.

The square root of 1573878823 is about 39672.1416487691. The cubic root of 1573878823 is about 1163.2072417110.

The spelling of 1573878823 in words is "one billion, five hundred seventy-three million, eight hundred seventy-eight thousand, eight hundred twenty-three".