135303423 has 8 divisors (see below), whose sum is σ = 180466608. Its totient is φ = 90171264.

The previous prime is 135303409. The next prime is 135303431. The reversal of 135303423 is 324303531.

It is a happy number.

It is a Cunningham number, because it is equal to 11632²-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135303423 - 2⁶ = 135303359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135303393 and 135303402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135303463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5815 + ... + 17447.

It is an arithmetic number, because the mean of its divisors is an integer number (22558326).

Almost surely, 2^135303423 is an apocalyptic number.

135303423 is a deficient number, since it is larger than the sum of its proper divisors (45163185).

135303423 is a wasteful number, since it uses less digits than its factorization.

135303423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15513.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 135303423 is about 11631.9999570151. Note that the first 4 decimals coincide. The cubic root of 135303423 is about 513.3768268183.

Adding to 135303423 its reverse (324303531), we get a palindrome (459606954).

The spelling of 135303423 in words is "one hundred thirty-five million, three hundred three thousand, four hundred twenty-three".