6423436135 has 4 divisors (see below), whose sum is σ = 7708123368. Its totient is φ = 5138748904.

The previous prime is 6423436051. The next prime is 6423436181. The reversal of 6423436135 is 5316343246.

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 6423436135 - 2¹⁵ = 6423403367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6423436094 and 6423436103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642343609 + ... + 642343618.

It is an arithmetic number, because the mean of its divisors is an integer number (1927030842).

Almost surely, 2^6423436135 is an apocalyptic number.

6423436135 is a deficient number, since it is larger than the sum of its proper divisors (1284687233).

6423436135 is a wasteful number, since it uses less digits than its factorization.

6423436135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284687232.

The product of its digits is 155520, while the sum is 37.

The square root of 6423436135 is about 80146.3419938802. The cubic root of 6423436135 is about 1858.8990415813.

The spelling of 6423436135 in words is "six billion, four hundred twenty-three million, four hundred thirty-six thousand, one hundred thirty-five".