575278623 has 12 divisors (see below), whose sum is σ = 879838128. Its totient is φ = 360959040.

The previous prime is 575278621. The next prime is 575278633. The reversal of 575278623 is 326872575.

575278623 is a `hidden beast` number, since 575 + 2 + 78 + 6 + 2 + 3 = 666.

It is not a de Polignac number, because 575278623 - 2¹ = 575278621 is a prime.

It is a super-2 number, since 2×575278623² = 661890988161552258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575278621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1879843 + ... + 1880148.

It is an arithmetic number, because the mean of its divisors is an integer number (73319844).

Almost surely, 2^575278623 is an apocalyptic number.

575278623 is a deficient number, since it is larger than the sum of its proper divisors (304559505).

575278623 is a wasteful number, since it uses less digits than its factorization.

575278623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760014 (or 3760011 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 575278623 is about 23984.9666041043. The cubic root of 575278623 is about 831.6860404526.

The spelling of 575278623 in words is "five hundred seventy-five million, two hundred seventy-eight thousand, six hundred twenty-three".