230457653 has 4 divisors (see below), whose sum is σ = 230931360. Its totient is φ = 229983948.

The previous prime is 230457649. The next prime is 230457671. The reversal of 230457653 is 356754032.

230457653 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 230457653 - 2² = 230457649 is a prime.

It is a super-2 number, since 2×230457653² = 106221459652536818, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230457673) 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, 236123 + ... + 237096.

It is an arithmetic number, because the mean of its divisors is an integer number (57732840).

Almost surely, 2^230457653 is an apocalyptic number.

It is an amenable number.

230457653 is a deficient number, since it is larger than the sum of its proper divisors (473707).

230457653 is an equidigital number, since it uses as much as digits as its factorization.

230457653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473706.

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 230457653 is about 15180.8317624562. The cubic root of 230457653 is about 613.0986759532.

The spelling of 230457653 in words is "two hundred thirty million, four hundred fifty-seven thousand, six hundred fifty-three".