136367644723 has 2 divisors, whose sum is σ = 136367644724. Its totient is φ = 136367644722.

The previous prime is 136367644717. The next prime is 136367644753. The reversal of 136367644723 is 327446763631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136367644723 - 2¹⁷ = 136367513651 is a prime.

It is a super-2 number, since 2×136367644723² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136367644753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68183822361 + 68183822362.

It is an arithmetic number, because the mean of its divisors is an integer number (68183822362).

Almost surely, 2^136367644723 is an apocalyptic number.

136367644723 is a deficient number, since it is larger than the sum of its proper divisors (1).

136367644723 is an equidigital number, since it uses as much as digits as its factorization.

136367644723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 52.

The spelling of 136367644723 in words is "one hundred thirty-six billion, three hundred sixty-seven million, six hundred forty-four thousand, seven hundred twenty-three".