67345700623 has 2 divisors, whose sum is σ = 67345700624. Its totient is φ = 67345700622.

The previous prime is 67345700593. The next prime is 67345700629. The reversal of 67345700623 is 32600754376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67345700623 - 2³³ = 58755766031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67345700623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67345700629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33672850311 + 33672850312.

It is an arithmetic number, because the mean of its divisors is an integer number (33672850312).

Almost surely, 2^67345700623 is an apocalyptic number.

67345700623 is a deficient number, since it is larger than the sum of its proper divisors (1).

67345700623 is an equidigital number, since it uses as much as digits as its factorization.

67345700623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 43.

The spelling of 67345700623 in words is "sixty-seven billion, three hundred forty-five million, seven hundred thousand, six hundred twenty-three".