135024023 has 4 divisors (see below), whose sum is σ = 135061248. Its totient is φ = 134986800.

The previous prime is 135024011. The next prime is 135024079. The reversal of 135024023 is 320420531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135024023 - 2¹⁰ = 135022999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135023986 and 135024004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135024083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12503 + ... + 20648.

It is an arithmetic number, because the mean of its divisors is an integer number (33765312).

Almost surely, 2^135024023 is an apocalyptic number.

135024023 is a deficient number, since it is larger than the sum of its proper divisors (37225).

135024023 is an equidigital number, since it uses as much as digits as its factorization.

135024023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37224.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 135024023 is about 11619.9837779577. The cubic root of 135024023 is about 513.0232109036.

Adding to 135024023 its reverse (320420531), we get a palindrome (455444554).

The spelling of 135024023 in words is "one hundred thirty-five million, twenty-four thousand, twenty-three".