231653063 has 4 divisors (see below), whose sum is σ = 231828960. Its totient is φ = 231477168.

The previous prime is 231653047. The next prime is 231653087. The reversal of 231653063 is 360356132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231653063 - 2⁴ = 231653047 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 (231653003) 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, 85958 + ... + 88611.

It is an arithmetic number, because the mean of its divisors is an integer number (57957240).

Almost surely, 2^231653063 is an apocalyptic number.

231653063 is a deficient number, since it is larger than the sum of its proper divisors (175897).

231653063 is a wasteful number, since it uses less digits than its factorization.

231653063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175896.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 231653063 is about 15220.1531858257. The cubic root of 231653063 is about 614.1569191180.

The spelling of 231653063 in words is "two hundred thirty-one million, six hundred fifty-three thousand, sixty-three".