136654502423 has 2 divisors, whose sum is σ = 136654502424. Its totient is φ = 136654502422.

The previous prime is 136654502419. The next prime is 136654502441. The reversal of 136654502423 is 324205456631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136654502423 - 2² = 136654502419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136654502473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68327251211 + 68327251212.

It is an arithmetic number, because the mean of its divisors is an integer number (68327251212).

Almost surely, 2^136654502423 is an apocalyptic number.

136654502423 is a deficient number, since it is larger than the sum of its proper divisors (1).

136654502423 is an equidigital number, since it uses as much as digits as its factorization.

136654502423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 136654502423 in words is "one hundred thirty-six billion, six hundred fifty-four million, five hundred two thousand, four hundred twenty-three".