232340621 has 4 divisors (see below), whose sum is σ = 232417152. Its totient is φ = 232264092.

The previous prime is 232340611. The next prime is 232340623. The reversal of 232340621 is 126043232.

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 232340621 - 2¹⁸ = 232078477 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 (232340623) 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, 33515 + ... + 39848.

It is an arithmetic number, because the mean of its divisors is an integer number (58104288).

Almost surely, 2^232340621 is an apocalyptic number.

It is an amenable number.

232340621 is a deficient number, since it is larger than the sum of its proper divisors (76531).

232340621 is an equidigital number, since it uses as much as digits as its factorization.

232340621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76530.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 232340621 is about 15242.7235427269. The cubic root of 232340621 is about 614.7639352216.

Adding to 232340621 its reverse (126043232), we get a palindrome (358383853).

The spelling of 232340621 in words is "two hundred thirty-two million, three hundred forty thousand, six hundred twenty-one".