83768623 has 2 divisors, whose sum is σ = 83768624. Its totient is φ = 83768622.

The previous prime is 83768621. The next prime is 83768647. The reversal of 83768623 is 32686738.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83768623 - 2¹ = 83768621 is a prime.

It is a super-2 number, since 2×83768623² = 14034364398632258, which contains 22 as substring.

Together with 83768621, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 83768623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83768621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41884311 + 41884312.

It is an arithmetic number, because the mean of its divisors is an integer number (41884312).

Almost surely, 2^83768623 is an apocalyptic number.

83768623 is a deficient number, since it is larger than the sum of its proper divisors (1).

83768623 is an equidigital number, since it uses as much as digits as its factorization.

83768623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 83768623 is about 9152.5200354875. The cubic root of 83768623 is about 437.5494331082.

The spelling of 83768623 in words is "eighty-three million, seven hundred sixty-eight thousand, six hundred twenty-three".