136604873123 has 2 divisors, whose sum is σ = 136604873124. Its totient is φ = 136604873122.

The previous prime is 136604873023. The next prime is 136604873149. The reversal of 136604873123 is 321378406631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136604873123 - 2¹⁶ = 136604807587 is a prime.

It is not a weakly prime, because it can be changed into another prime (136604873023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68302436561 + 68302436562.

It is an arithmetic number, because the mean of its divisors is an integer number (68302436562).

Almost surely, 2^136604873123 is an apocalyptic number.

136604873123 is a deficient number, since it is larger than the sum of its proper divisors (1).

136604873123 is an equidigital number, since it uses as much as digits as its factorization.

136604873123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 136604873123 in words is "one hundred thirty-six billion, six hundred four million, eight hundred seventy-three thousand, one hundred twenty-three".