136523042203 has 2 divisors, whose sum is σ = 136523042204. Its totient is φ = 136523042202.

The previous prime is 136523042197. The next prime is 136523042231. The reversal of 136523042203 is 302240325631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136523042203 is a prime.

It is not a weakly prime, because it can be changed into another prime (136523042303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68261521101 + 68261521102.

It is an arithmetic number, because the mean of its divisors is an integer number (68261521102).

Almost surely, 2^136523042203 is an apocalyptic number.

136523042203 is a deficient number, since it is larger than the sum of its proper divisors (1).

136523042203 is an equidigital number, since it uses as much as digits as its factorization.

136523042203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 136523042203 its reverse (302240325631), we get a palindrome (438763367834).

The spelling of 136523042203 in words is "one hundred thirty-six billion, five hundred twenty-three million, forty-two thousand, two hundred three".