68235623 has 2 divisors, whose sum is σ = 68235624. Its totient is φ = 68235622.

The previous prime is 68235617. The next prime is 68235649. The reversal of 68235623 is 32653286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68235623 - 2¹⁰ = 68234599 is a prime.

It is a super-2 number, since 2×68235623² = 9312200492396258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68235653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34117811 + 34117812.

It is an arithmetic number, because the mean of its divisors is an integer number (34117812).

Almost surely, 2^68235623 is an apocalyptic number.

68235623 is a deficient number, since it is larger than the sum of its proper divisors (1).

68235623 is an equidigital number, since it uses as much as digits as its factorization.

68235623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 68235623 is about 8260.4856394767. The cubic root of 68235623 is about 408.6364038874.

The spelling of 68235623 in words is "sixty-eight million, two hundred thirty-five thousand, six hundred twenty-three".