232437661 has 4 divisors (see below), whose sum is σ = 237843232. Its totient is φ = 227032092.

The previous prime is 232437649. The next prime is 232437679. The reversal of 232437661 is 166734232.

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 232437661 - 2⁵ = 232437629 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 (232437631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2702721 + ... + 2702806.

It is an arithmetic number, because the mean of its divisors is an integer number (59460808).

Almost surely, 2^232437661 is an apocalyptic number.

It is an amenable number.

232437661 is a deficient number, since it is larger than the sum of its proper divisors (5405571).

232437661 is an equidigital number, since it uses as much as digits as its factorization.

232437661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5405570.

The product of its digits is 36288, while the sum is 34.

The square root of 232437661 is about 15245.9063685961. The cubic root of 232437661 is about 614.8495112873.

The spelling of 232437661 in words is "two hundred thirty-two million, four hundred thirty-seven thousand, six hundred sixty-one".