275840423 has 4 divisors (see below), whose sum is σ = 290358360. Its totient is φ = 261322488.

The previous prime is 275840417. The next prime is 275840437. The reversal of 275840423 is 324048572.

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 275840423 - 2⁸ = 275840167 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 (275840443) 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, 7258940 + ... + 7258977.

It is an arithmetic number, because the mean of its divisors is an integer number (72589590).

Almost surely, 2^275840423 is an apocalyptic number.

275840423 is a deficient number, since it is larger than the sum of its proper divisors (14517937).

275840423 is a wasteful number, since it uses less digits than its factorization.

275840423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14517936.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 275840423 is about 16608.4443281121. Note that the first 3 decimals coincide. The cubic root of 275840423 is about 650.9575024385.

Adding to 275840423 its reverse (324048572), we get a palindrome (599888995).

The spelling of 275840423 in words is "two hundred seventy-five million, eight hundred forty thousand, four hundred twenty-three".