272163923 has 4 divisors (see below), whose sum is σ = 286488360. Its totient is φ = 257839488.

The previous prime is 272163919. The next prime is 272163937. The reversal of 272163923 is 329361272.

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

It is a cyclic number.

It is not a de Polignac number, because 272163923 - 2² = 272163919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272163943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7162190 + ... + 7162227.

It is an arithmetic number, because the mean of its divisors is an integer number (71622090).

Almost surely, 2^272163923 is an apocalyptic number.

272163923 is a deficient number, since it is larger than the sum of its proper divisors (14324437).

272163923 is a wasteful number, since it uses less digits than its factorization.

272163923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14324436.

The product of its digits is 27216, while the sum is 35.

The square root of 272163923 is about 16497.3913998547. The cubic root of 272163923 is about 648.0524926675.

The spelling of 272163923 in words is "two hundred seventy-two million, one hundred sixty-three thousand, nine hundred twenty-three".