420023210243 has 32 divisors (see below), whose sum is σ = 526944604032. Its totient is φ = 325907712000.

The previous prime is 420023210213. The next prime is 420023210249. The reversal of 420023210243 is 342012320024.

It is not a de Polignac number, because 420023210243 - 2¹² = 420023206147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420023210249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11272043 + ... + 11309243.

It is an arithmetic number, because the mean of its divisors is an integer number (16467018876).

Almost surely, 2^420023210243 is an apocalyptic number.

420023210243 is a deficient number, since it is larger than the sum of its proper divisors (106921393789).

420023210243 is a wasteful number, since it uses less digits than its factorization.

420023210243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39615.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 420023210243 its reverse (342012320024), we get a palindrome (762035530267).

The spelling of 420023210243 in words is "four hundred twenty billion, twenty-three million, two hundred ten thousand, two hundred forty-three".