461556723 has 4 divisors (see below), whose sum is σ = 615408968. Its totient is φ = 307704480.

The previous prime is 461556713. The next prime is 461556743. The reversal of 461556723 is 327655164.

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

It is not a de Polignac number, because 461556723 - 2⁴ = 461556707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461556713) 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, 76926118 + ... + 76926123.

It is an arithmetic number, because the mean of its divisors is an integer number (153852242).

Almost surely, 2^461556723 is an apocalyptic number.

461556723 is a deficient number, since it is larger than the sum of its proper divisors (153852245).

461556723 is a wasteful number, since it uses less digits than its factorization.

461556723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153852244.

The product of its digits is 151200, while the sum is 39.

The square root of 461556723 is about 21483.8712293665. The cubic root of 461556723 is about 772.8140820217.

The spelling of 461556723 in words is "four hundred sixty-one million, five hundred fifty-six thousand, seven hundred twenty-three".