231647053 has 8 divisors (see below), whose sum is σ = 263693376. Its totient is φ = 201432000.

The previous prime is 231647051. The next prime is 231647057. The reversal of 231647053 is 350746132.

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

It is not a de Polignac number, because 231647053 - 2¹ = 231647051 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 (231647051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457548 + ... + 458053.

It is an arithmetic number, because the mean of its divisors is an integer number (32961672).

Almost surely, 2^231647053 is an apocalyptic number.

231647053 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

231647053 is a deficient number, since it is larger than the sum of its proper divisors (32046323).

231647053 is a wasteful number, since it uses less digits than its factorization.

231647053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915635.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 231647053 is about 15219.9557489501. The cubic root of 231647053 is about 614.1516078493.

The spelling of 231647053 in words is "two hundred thirty-one million, six hundred forty-seven thousand, fifty-three".