421324231403 has 8 divisors (see below), whose sum is σ = 430326388800. Its totient is φ = 412323649600.

The previous prime is 421324231399. The next prime is 421324231421. The reversal of 421324231403 is 304132423124.

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 421324231403 - 2² = 421324231399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421320231403) 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, 154703 + ... + 930903.

It is an arithmetic number, because the mean of its divisors is an integer number (53790798600).

Almost surely, 2^421324231403 is an apocalyptic number.

421324231403 is a deficient number, since it is larger than the sum of its proper divisors (9002157397).

421324231403 is a wasteful number, since it uses less digits than its factorization.

421324231403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787797.

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

Adding to 421324231403 its reverse (304132423124), we get a palindrome (725456654527).

The spelling of 421324231403 in words is "four hundred twenty-one billion, three hundred twenty-four million, two hundred thirty-one thousand, four hundred three".