231676653 has 16 divisors (see below), whose sum is σ = 333744320. Its totient is φ = 142107264.

The previous prime is 231676637. The next prime is 231676667. The reversal of 231676653 is 356676132.

It is not a de Polignac number, because 231676653 - 2⁴ = 231676637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231676693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2718 + ... + 21696.

It is an arithmetic number, because the mean of its divisors is an integer number (20859020).

Almost surely, 2^231676653 is an apocalyptic number.

It is an amenable number.

231676653 is a deficient number, since it is larger than the sum of its proper divisors (102067667).

231676653 is a wasteful number, since it uses less digits than its factorization.

231676653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19308.

The product of its digits is 136080, while the sum is 39.

The square root of 231676653 is about 15220.9281254462. The cubic root of 231676653 is about 614.1777656227.

The spelling of 231676653 in words is "two hundred thirty-one million, six hundred seventy-six thousand, six hundred fifty-three".