423523061 has 8 divisors (see below), whose sum is σ = 463579704. Its totient is φ = 384534720.

The previous prime is 423523031. The next prime is 423523069. The reversal of 423523061 is 160325324.

It can be written as a sum of positive squares in 4 ways, for example, as 398161 + 423124900 = 631^2 + 20570^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423523061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423523061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423523069) 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, 266246 + ... + 267831.

It is an arithmetic number, because the mean of its divisors is an integer number (57947463).

Almost surely, 2^423523061 is an apocalyptic number.

It is an amenable number.

423523061 is a deficient number, since it is larger than the sum of its proper divisors (40056643).

423523061 is a wasteful number, since it uses less digits than its factorization.

423523061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534151.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 423523061 is about 20579.6759206747. The cubic root of 423523061 is about 750.9753597553.

Adding to 423523061 its reverse (160325324), we get a palindrome (583848385).

The spelling of 423523061 in words is "four hundred twenty-three million, five hundred twenty-three thousand, sixty-one".