231646053 has 4 divisors (see below), whose sum is σ = 308861408. Its totient is φ = 154430700.

The previous prime is 231646027. The next prime is 231646061. The reversal of 231646053 is 350646132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 231646053 - 2⁵ = 231646021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231646053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231646253) 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, 38607673 + ... + 38607678.

It is an arithmetic number, because the mean of its divisors is an integer number (77215352).

Almost surely, 2^231646053 is an apocalyptic number.

It is an amenable number.

231646053 is a deficient number, since it is larger than the sum of its proper divisors (77215355).

231646053 is an equidigital number, since it uses as much as digits as its factorization.

231646053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77215354.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 231646053 is about 15219.9228973080. The cubic root of 231646053 is about 614.1507241018.

The spelling of 231646053 in words is "two hundred thirty-one million, six hundred forty-six thousand, fifty-three".