421023143302 has 8 divisors (see below), whose sum is σ = 631589225256. Its totient is φ = 210493401552.

The previous prime is 421023143251. The next prime is 421023143327. The reversal of 421023143302 is 203341320124.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9056068 + ... + 9102439.

It is an arithmetic number, because the mean of its divisors is an integer number (78948653157).

Almost surely, 2^421023143302 is an apocalyptic number.

421023143302 is a deficient number, since it is larger than the sum of its proper divisors (210566081954).

421023143302 is a wasteful number, since it uses less digits than its factorization.

421023143302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18170102.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 421023143302 its reverse (203341320124), we get a palindrome (624364463426).

The spelling of 421023143302 in words is "four hundred twenty-one billion, twenty-three million, one hundred forty-three thousand, three hundred two".