652135423 has 8 divisors (see below), whose sum is σ = 691701120. Its totient is φ = 613094040.

The previous prime is 652135417. The next prime is 652135433. The reversal of 652135423 is 324531256.

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 652135423 - 2⁵ = 652135391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652135433) 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, 128515 + ... + 133492.

It is an arithmetic number, because the mean of its divisors is an integer number (86462640).

Almost surely, 2^652135423 is an apocalyptic number.

652135423 is a deficient number, since it is larger than the sum of its proper divisors (39565697).

652135423 is a wasteful number, since it uses less digits than its factorization.

652135423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262157.

The product of its digits is 21600, while the sum is 31.

The square root of 652135423 is about 25536.9423189230. The cubic root of 652135423 is about 867.1866770934.

Adding to 652135423 its reverse (324531256), we get a palindrome (976666679).

The spelling of 652135423 in words is "six hundred fifty-two million, one hundred thirty-five thousand, four hundred twenty-three".