231275543 has 8 divisors (see below), whose sum is σ = 249110400. Its totient is φ = 214006968.

The previous prime is 231275537. The next prime is 231275549. The reversal of 231275543 is 345572132.

It is an interprime number because it is at equal distance from previous prime (231275537) and next prime (231275549).

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 231275543 - 2²⁴ = 214498327 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 (231275549) 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, 140723 + ... + 142356.

It is an arithmetic number, because the mean of its divisors is an integer number (31138800).

Almost surely, 2^231275543 is an apocalyptic number.

231275543 is a deficient number, since it is larger than the sum of its proper divisors (17834857).

231275543 is a wasteful number, since it uses less digits than its factorization.

231275543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283141.

The product of its digits is 25200, while the sum is 32.

The square root of 231275543 is about 15207.7461512218. The cubic root of 231275543 is about 613.8231116248.

The spelling of 231275543 in words is "two hundred thirty-one million, two hundred seventy-five thousand, five hundred forty-three".