461215223 has 4 divisors (see below), whose sum is σ = 527103120. Its totient is φ = 395327328.

The previous prime is 461215207. The next prime is 461215229. The reversal of 461215223 is 322512164.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 461215223 - 2⁴ = 461215207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 461215192 and 461215201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461215229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32943938 + ... + 32943951.

It is an arithmetic number, because the mean of its divisors is an integer number (131775780).

Almost surely, 2^461215223 is an apocalyptic number.

461215223 is a deficient number, since it is larger than the sum of its proper divisors (65887897).

461215223 is an equidigital number, since it uses as much as digits as its factorization.

461215223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65887896.

The product of its digits is 2880, while the sum is 26.

The square root of 461215223 is about 21475.9219359729. The cubic root of 461215223 is about 772.6234365300.

Adding to 461215223 its reverse (322512164), we get a palindrome (783727387).

The spelling of 461215223 in words is "four hundred sixty-one million, two hundred fifteen thousand, two hundred twenty-three".