423428481 has 48 divisors (see below), whose sum is σ = 721287424. Its totient is φ = 234306432.

The previous prime is 423428477. The next prime is 423428483. The reversal of 423428481 is 184824324.

It is not a de Polignac number, because 423428481 - 2² = 423428477 is a prime.

It is a super-2 number, since 2×423428481² = 358583357043934722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423428483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 869220 + ... + 869706.

Almost surely, 2^423428481 is an apocalyptic number.

It is an amenable number.

423428481 is a deficient number, since it is larger than the sum of its proper divisors (297858943).

423428481 is a wasteful number, since it uses less digits than its factorization.

423428481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 907 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 423428481 is about 20577.3778941827. The cubic root of 423428481 is about 750.9194536793.

The spelling of 423428481 in words is "four hundred twenty-three million, four hundred twenty-eight thousand, four hundred eighty-one".