461144023 has 4 divisors (see below), whose sum is σ = 488270160. Its totient is φ = 434017888.

The previous prime is 461143981. The next prime is 461144027. The reversal of 461144023 is 320441164.

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

It is not a de Polignac number, because 461144023 - 2⁹ = 461143511 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 (461144027) 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, 13563043 + ... + 13563076.

It is an arithmetic number, because the mean of its divisors is an integer number (122067540).

Almost surely, 2^461144023 is an apocalyptic number.

461144023 is a deficient number, since it is larger than the sum of its proper divisors (27126137).

461144023 is a wasteful number, since it uses less digits than its factorization.

461144023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27126136.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 461144023 is about 21474.2642015972. The cubic root of 461144023 is about 772.5836766255.

Adding to 461144023 its reverse (320441164), we get a palindrome (781585187).

The spelling of 461144023 in words is "four hundred sixty-one million, one hundred forty-four thousand, twenty-three".