231560745653 has 4 divisors (see below), whose sum is σ = 231572355840. Its totient is φ = 231549135468.

The previous prime is 231560745649. The next prime is 231560745679. The reversal of 231560745653 is 356547065132.

231560745653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 231560745653 - 2² = 231560745649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231560745598 and 231560745607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231560745623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5775125 + ... + 5815082.

It is an arithmetic number, because the mean of its divisors is an integer number (57893088960).

Almost surely, 2^231560745653 is an apocalyptic number.

It is an amenable number.

231560745653 is a deficient number, since it is larger than the sum of its proper divisors (11610187).

231560745653 is a wasteful number, since it uses less digits than its factorization.

231560745653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11610186.

The product of its (nonzero) digits is 2268000, while the sum is 47.

The spelling of 231560745653 in words is "two hundred thirty-one billion, five hundred sixty million, seven hundred forty-five thousand, six hundred fifty-three".