136310623 has 2 divisors, whose sum is σ = 136310624. Its totient is φ = 136310622.

The previous prime is 136310621. The next prime is 136310653. The reversal of 136310623 is 326013631.

It is a weak prime.

It is an emirp because it is prime and its reverse (326013631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136310623 - 2¹ = 136310621 is a prime.

Together with 136310621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136310621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68155311 + 68155312.

It is an arithmetic number, because the mean of its divisors is an integer number (68155312).

Almost surely, 2^136310623 is an apocalyptic number.

136310623 is a deficient number, since it is larger than the sum of its proper divisors (1).

136310623 is an equidigital number, since it uses as much as digits as its factorization.

136310623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 136310623 is about 11675.2140451471. The cubic root of 136310623 is about 514.6475396501.

The spelling of 136310623 in words is "one hundred thirty-six million, three hundred ten thousand, six hundred twenty-three".