423572 has 12 divisors (see below), whose sum is σ = 784980. Its totient is φ = 199296.
The previous prime is 423559. The next prime is 423581. The reversal of 423572 is 275324.
Added to its reverse (275324) it gives a square (698896 = 8362).
423572 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 274576 + 148996 = 524^2 + 386^2 .
It is an Ulam number.
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, 3047 + ... + 3182.
It is an arithmetic number, because the mean of its divisors is an integer number (65415).
2423572 is an apocalyptic number.
It is an amenable number.
423572 is a deficient number, since it is larger than the sum of its proper divisors (361408).
423572 is a wasteful number, since it uses less digits than its factorization.
423572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6250 (or 6248 counting only the distinct ones).
The product of its digits is 1680, while the sum is 23.
The square root of 423572 is about 650.8240929775. The cubic root of 423572 is about 75.1004284247.
Adding to 423572 its reverse (275324), we get a palindrome (698896).
The spelling of 423572 in words is "four hundred twenty-three thousand, five hundred seventy-two".
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