423457977 has 8 divisors (see below), whose sum is σ = 565418880. Its totient is φ = 281901200.

The previous prime is 423457919. The next prime is 423458017. The reversal of 423457977 is 779754324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423457977 - 2⁷ = 423457849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423457877) 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 7 ways as a sum of consecutive naturals, for example, 98577 + ... + 102782.

It is an arithmetic number, because the mean of its divisors is an integer number (70677360).

Almost surely, 2^423457977 is an apocalyptic number.

It is an amenable number.

423457977 is a deficient number, since it is larger than the sum of its proper divisors (141960903).

423457977 is a wasteful number, since it uses less digits than its factorization.

423457977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202063.

The product of its digits is 1481760, while the sum is 48.

The square root of 423457977 is about 20578.0945910937. The cubic root of 423457977 is about 750.9368896076.

The spelling of 423457977 in words is "four hundred twenty-three million, four hundred fifty-seven thousand, nine hundred seventy-seven".