306512640023 has 2 divisors, whose sum is σ = 306512640024. Its totient is φ = 306512640022.

The previous prime is 306512639987. The next prime is 306512640131. The reversal of 306512640023 is 320046215603.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 306512640023 - 2¹⁸ = 306512377879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (306512640823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153256320011 + 153256320012.

It is an arithmetic number, because the mean of its divisors is an integer number (153256320012).

Almost surely, 2^306512640023 is an apocalyptic number.

306512640023 is a deficient number, since it is larger than the sum of its proper divisors (1).

306512640023 is an equidigital number, since it uses as much as digits as its factorization.

306512640023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 306512640023 its reverse (320046215603), we get a palindrome (626558855626).

The spelling of 306512640023 in words is "three hundred six billion, five hundred twelve million, six hundred forty thousand, twenty-three".