461623 has 4 divisors (see below), whose sum is σ = 466480. Its totient is φ = 456768.

The previous prime is 461609. The next prime is 461627. The reversal of 461623 is 326164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461594 and 461603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2283 + ... + 2476.

It is an arithmetic number, because the mean of its divisors is an integer number (116620).

2⁴⁶¹⁶²³ is an apocalyptic number.

461623 is a deficient number, since it is larger than the sum of its proper divisors (4857).

461623 is an equidigital number, since it uses as much as digits as its factorization.

461623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856.

The product of its digits is 864, while the sum is 22.

The square root of 461623 is about 679.4284362610. The cubic root of 461623 is about 77.2851070865.

Adding to 461623 its reverse (326164), we get a palindrome (787787).

The spelling of 461623 in words is "four hundred sixty-one thousand, six hundred twenty-three".