523673 has 2 divisors, whose sum is σ = 523674. Its totient is φ = 523672.

The previous prime is 523669. The next prime is 523681. The reversal of 523673 is 376325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 413449 + 110224 = 643^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 523673 - 2² = 523669 is a prime.

It is not a weakly prime, because it can be changed into another prime (523603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261836 + 261837.

It is an arithmetic number, because the mean of its divisors is an integer number (261837).

2⁵²³⁶⁷³ is an apocalyptic number.

It is an amenable number.

523673 is a deficient number, since it is larger than the sum of its proper divisors (1).

523673 is an equidigital number, since it uses as much as digits as its factorization.

523673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 26.

The square root of 523673 is about 723.6525409338. The cubic root of 523673 is about 80.6034060712.

Adding to 523673 its reverse (376325), we get a palindrome (899998).

The spelling of 523673 in words is "five hundred twenty-three thousand, six hundred seventy-three".