6340637323 has 2 divisors, whose sum is σ = 6340637324. Its totient is φ = 6340637322.

The previous prime is 6340637279. The next prime is 6340637327. The reversal of 6340637323 is 3237360436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6340637323 - 2²¹ = 6338540171 is a prime.

It is not a weakly prime, because it can be changed into another prime (6340637327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3170318661 + 3170318662.

It is an arithmetic number, because the mean of its divisors is an integer number (3170318662).

Almost surely, 2^6340637323 is an apocalyptic number.

6340637323 is a deficient number, since it is larger than the sum of its proper divisors (1).

6340637323 is an equidigital number, since it uses as much as digits as its factorization.

6340637323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 37.

The square root of 6340637323 is about 79628.1189216473. The cubic root of 6340637323 is about 1850.8773362926.

Adding to 6340637323 its reverse (3237360436), we get a palindrome (9577997759).

The spelling of 6340637323 in words is "six billion, three hundred forty million, six hundred thirty-seven thousand, three hundred twenty-three".