461621023 has 4 divisors (see below), whose sum is σ = 461703040. Its totient is φ = 461539008.

The previous prime is 461621011. The next prime is 461621033. The reversal of 461621023 is 320126164.

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 461621023 - 2¹³ = 461612831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461621033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31890 + ... + 44047.

It is an arithmetic number, because the mean of its divisors is an integer number (115425760).

Almost surely, 2^461621023 is an apocalyptic number.

461621023 is a deficient number, since it is larger than the sum of its proper divisors (82017).

461621023 is an equidigital number, since it uses as much as digits as its factorization.

461621023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82016.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 461621023 is about 21485.3676487045. The cubic root of 461621023 is about 772.8499675627.

Adding to 461621023 its reverse (320126164), we get a palindrome (781747187).

The spelling of 461621023 in words is "four hundred sixty-one million, six hundred twenty-one thousand, twenty-three".