232013661 has 8 divisors (see below), whose sum is σ = 337474464. Its totient is φ = 140614320.

The previous prime is 232013651. The next prime is 232013699. The reversal of 232013661 is 166310232.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 232013661 - 2¹⁸ = 231751517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232013611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3515326 + ... + 3515391.

It is an arithmetic number, because the mean of its divisors is an integer number (42184308).

Almost surely, 2^232013661 is an apocalyptic number.

It is an amenable number.

232013661 is a deficient number, since it is larger than the sum of its proper divisors (105460803).

232013661 is a wasteful number, since it uses less digits than its factorization.

232013661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7030731.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 232013661 is about 15231.9946494213. The cubic root of 232013661 is about 614.4754255097.

Adding to 232013661 its reverse (166310232), we get a palindrome (398323893).

It can be divided in two parts, 23201 and 3661, that added together give a palindrome (26862).

The spelling of 232013661 in words is "two hundred thirty-two million, thirteen thousand, six hundred sixty-one".