423542135 has 8 divisors (see below), whose sum is σ = 508530960. Its totient is φ = 338646784.

The previous prime is 423542117. The next prime is 423542137. The reversal of 423542135 is 531245324.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 423542135 - 2⁸ = 423541879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423542098 and 423542107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423542137) 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, 12977 + ... + 31866.

It is an arithmetic number, because the mean of its divisors is an integer number (63566370).

Almost surely, 2^423542135 is an apocalyptic number.

423542135 is a deficient number, since it is larger than the sum of its proper divisors (84988825).

423542135 is a wasteful number, since it uses less digits than its factorization.

423542135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46737.

The product of its digits is 14400, while the sum is 29.

The square root of 423542135 is about 20580.1393338335. The cubic root of 423542135 is about 750.9866333555.

Adding to 423542135 its reverse (531245324), we get a palindrome (954787459).

The spelling of 423542135 in words is "four hundred twenty-three million, five hundred forty-two thousand, one hundred thirty-five".