274239823 has 16 divisors (see below), whose sum is σ = 325213056. Its totient is φ = 227967840.

The previous prime is 274239811. The next prime is 274239829. The reversal of 274239823 is 328932472.

It is a cyclic number.

It is not a de Polignac number, because 274239823 - 2⁹ = 274239311 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 (274239829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6340 + ... + 24262.

It is an arithmetic number, because the mean of its divisors is an integer number (20325816).

Almost surely, 2^274239823 is an apocalyptic number.

274239823 is a deficient number, since it is larger than the sum of its proper divisors (50973233).

274239823 is a wasteful number, since it uses less digits than its factorization.

274239823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18054.

The product of its digits is 145152, while the sum is 40.

The square root of 274239823 is about 16560.1878914462. The cubic root of 274239823 is about 649.6959706368.

The spelling of 274239823 in words is "two hundred seventy-four million, two hundred thirty-nine thousand, eight hundred twenty-three".