232609387 has 2 divisors, whose sum is σ = 232609388. Its totient is φ = 232609386.

The previous prime is 232609369. The next prime is 232609471. The reversal of 232609387 is 783906232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232609387 is a prime.

It is not a weakly prime, because it can be changed into another prime (232609357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116304693 + 116304694.

It is an arithmetic number, because the mean of its divisors is an integer number (116304694).

Almost surely, 2^232609387 is an apocalyptic number.

232609387 is a deficient number, since it is larger than the sum of its proper divisors (1).

232609387 is an equidigital number, since it uses as much as digits as its factorization.

232609387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 232609387 is about 15251.5372012135. The cubic root of 232609387 is about 615.0008918840. Note that the first 3 decimals are identical.

The spelling of 232609387 in words is "two hundred thirty-two million, six hundred nine thousand, three hundred eighty-seven".