135068623 has 2 divisors, whose sum is σ = 135068624. Its totient is φ = 135068622.

The previous prime is 135068617. The next prime is 135068653. The reversal of 135068623 is 326860531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135068623 is a prime.

It is a super-2 number, since 2×135068623² = 36487065838232258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135068653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67534311 + 67534312.

It is an arithmetic number, because the mean of its divisors is an integer number (67534312).

Almost surely, 2^135068623 is an apocalyptic number.

135068623 is a deficient number, since it is larger than the sum of its proper divisors (1).

135068623 is an equidigital number, since it uses as much as digits as its factorization.

135068623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 135068623 is about 11621.9027271785. The cubic root of 135068623 is about 513.0796905233.

The spelling of 135068623 in words is "one hundred thirty-five million, sixty-eight thousand, six hundred twenty-three".