231769853 has 12 divisors (see below), whose sum is σ = 270402300. Its totient is φ = 198076032.

The previous prime is 231769829. The next prime is 231769859. The reversal of 231769853 is 358967132.

It can be written as a sum of positive squares in 2 ways, for example, as 175774564 + 55995289 = 13258^2 + 7483^2 .

It is not a de Polignac number, because 231769853 - 2¹² = 231765757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231769859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10325 + ... + 23877.

It is an arithmetic number, because the mean of its divisors is an integer number (22533525).

Almost surely, 2^231769853 is an apocalyptic number.

It is an amenable number.

231769853 is a deficient number, since it is larger than the sum of its proper divisors (38632447).

231769853 is a wasteful number, since it uses less digits than its factorization.

231769853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13916 (or 13909 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 231769853 is about 15223.9893917462. The cubic root of 231769853 is about 614.2601127114.

The spelling of 231769853 in words is "two hundred thirty-one million, seven hundred sixty-nine thousand, eight hundred fifty-three".