255475335623 has 8 divisors (see below), whose sum is σ = 270510356592. Its totient is φ = 240441099136.

The previous prime is 255475335617. The next prime is 255475335649. The reversal of 255475335623 is 326533574552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255475335623 - 2⁴ = 255475335607 is a prime.

It is a super-2 number, since 2×255475335623² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255475335653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557036 + ... + 906222.

It is an arithmetic number, because the mean of its divisors is an integer number (33813794574).

Almost surely, 2^255475335623 is an apocalyptic number.

255475335623 is a deficient number, since it is larger than the sum of its proper divisors (15035020969).

255475335623 is a wasteful number, since it uses less digits than its factorization.

255475335623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392241.

The product of its digits is 11340000, while the sum is 50.

The spelling of 255475335623 in words is "two hundred fifty-five billion, four hundred seventy-five million, three hundred thirty-five thousand, six hundred twenty-three".