232666313 has 4 divisors (see below), whose sum is σ = 253817808. Its totient is φ = 211514820.

The previous prime is 232666279. The next prime is 232666339. The reversal of 232666313 is 313666232.

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 de Polignac number, because none of the positive numbers 2^k-232666313 is a prime.

It is a super-2 number, since 2×232666313² = 108267226410027938, which contains 22 as substring.

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 232666313.

It is not an unprimeable number, because it can be changed into a prime (232666013) 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, 10575731 + ... + 10575752.

It is an arithmetic number, because the mean of its divisors is an integer number (63454452).

Almost surely, 2^232666313 is an apocalyptic number.

It is an amenable number.

232666313 is a deficient number, since it is larger than the sum of its proper divisors (21151495).

232666313 is a wasteful number, since it uses less digits than its factorization.

232666313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21151494.

The product of its digits is 23328, while the sum is 32.

The square root of 232666313 is about 15253.4033251599. The cubic root of 232666313 is about 615.0510570783.

The spelling of 232666313 in words is "two hundred thirty-two million, six hundred sixty-six thousand, three hundred thirteen".