232440021347 has 2 divisors, whose sum is σ = 232440021348. Its totient is φ = 232440021346.

The previous prime is 232440021301. The next prime is 232440021349. The reversal of 232440021347 is 743120044232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232440021347 - 2³² = 228145054051 is a prime.

Together with 232440021349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232440021349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116220010673 + 116220010674.

It is an arithmetic number, because the mean of its divisors is an integer number (116220010674).

Almost surely, 2^232440021347 is an apocalyptic number.

232440021347 is a deficient number, since it is larger than the sum of its proper divisors (1).

232440021347 is an equidigital number, since it uses as much as digits as its factorization.

232440021347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 232440021347 its reverse (743120044232), we get a palindrome (975560065579).

The spelling of 232440021347 in words is "two hundred thirty-two billion, four hundred forty million, twenty-one thousand, three hundred forty-seven".