421435256223 has 8 divisors (see below), whose sum is σ = 562384688688. Its totient is φ = 280721330624.

The previous prime is 421435256159. The next prime is 421435256227. The reversal of 421435256223 is 322652534124.

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 421435256223 - 2⁶ = 421435256159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421435256227) 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, 58872540 + ... + 58879697.

It is an arithmetic number, because the mean of its divisors is an integer number (70298086086).

Almost surely, 2^421435256223 is an apocalyptic number.

421435256223 is a deficient number, since it is larger than the sum of its proper divisors (140949432465).

421435256223 is a wasteful number, since it uses less digits than its factorization.

421435256223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117753433.

The product of its digits is 345600, while the sum is 39.

The spelling of 421435256223 in words is "four hundred twenty-one billion, four hundred thirty-five million, two hundred fifty-six thousand, two hundred twenty-three".