135302423 has 2 divisors, whose sum is σ = 135302424. Its totient is φ = 135302422.

The previous prime is 135302417. The next prime is 135302437. The reversal of 135302423 is 324203531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135302423 - 2⁴ = 135302407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135302623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67651211 + 67651212.

It is an arithmetic number, because the mean of its divisors is an integer number (67651212).

Almost surely, 2^135302423 is an apocalyptic number.

135302423 is a deficient number, since it is larger than the sum of its proper divisors (1).

135302423 is an equidigital number, since it uses as much as digits as its factorization.

135302423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 135302423 is about 11631.9569720662. The cubic root of 135302423 is about 513.3755620608.

Adding to 135302423 its reverse (324203531), we get a palindrome (459505954).

The spelling of 135302423 in words is "one hundred thirty-five million, three hundred two thousand, four hundred twenty-three".