423532511 has 8 divisors (see below), whose sum is σ = 442161504. Its totient is φ = 404921440.

The previous prime is 423532489. The next prime is 423532547. The reversal of 423532511 is 115235324.

It is a happy number.

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

It is not a de Polignac number, because 423532511 - 2¹⁴ = 423516127 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 (423532561) 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, 71225 + ... + 76941.

It is an arithmetic number, because the mean of its divisors is an integer number (55270188).

Almost surely, 2^423532511 is an apocalyptic number.

423532511 is a deficient number, since it is larger than the sum of its proper divisors (18628993).

423532511 is a wasteful number, since it uses less digits than its factorization.

423532511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8961.

The product of its digits is 3600, while the sum is 26.

The square root of 423532511 is about 20579.9055148463. The cubic root of 423532511 is about 750.9809451768.

Adding to 423532511 its reverse (115235324), we get a palindrome (538767835).

The spelling of 423532511 in words is "four hundred twenty-three million, five hundred thirty-two thousand, five hundred eleven".