421423463 has 8 divisors (see below), whose sum is σ = 425521536. Its totient is φ = 417339000.

The previous prime is 421423423. The next prime is 421423469. The reversal of 421423463 is 364324124.

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 421423463 - 2⁶ = 421423399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421423469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65438 + ... + 71588.

It is an arithmetic number, because the mean of its divisors is an integer number (53190192).

Almost surely, 2^421423463 is an apocalyptic number.

421423463 is a deficient number, since it is larger than the sum of its proper divisors (4098073).

421423463 is a wasteful number, since it uses less digits than its factorization.

421423463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805.

The product of its digits is 13824, while the sum is 29.

The square root of 421423463 is about 20528.6010970061. The cubic root of 421423463 is about 749.7323269981.

Adding to 421423463 its reverse (364324124), we get a palindrome (785747587).

The spelling of 421423463 in words is "four hundred twenty-one million, four hundred twenty-three thousand, four hundred sixty-three".