232667681 has 4 divisors (see below), whose sum is σ = 232992000. Its totient is φ = 232343364.

The previous prime is 232667663. The next prime is 232667689. The reversal of 232667681 is 186766232.

It is a happy number.

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 232667681 - 2¹⁰ = 232666657 is a prime.

It is a super-2 number, since 2×232667681² = 108268499563835522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232667689) 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, 161081 + ... + 162518.

It is an arithmetic number, because the mean of its divisors is an integer number (58248000).

Almost surely, 2^232667681 is an apocalyptic number.

It is an amenable number.

232667681 is a deficient number, since it is larger than the sum of its proper divisors (324319).

232667681 is an equidigital number, since it uses as much as digits as its factorization.

232667681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324318.

The product of its digits is 145152, while the sum is 41.

The square root of 232667681 is about 15253.4481675456. The cubic root of 232667681 is about 615.0522625073.

It can be divided in two parts, 2326 and 67681, that added together give a palindrome (70007).

The spelling of 232667681 in words is "two hundred thirty-two million, six hundred sixty-seven thousand, six hundred eighty-one".