420023024343 has 32 divisors (see below), whose sum is σ = 670161703680. Its totient is φ = 258460472160.

The previous prime is 420023024303. The next prime is 420023024353. The reversal of 420023024343 is 343420320024.

420023024343 is a `hidden beast` number, since 4 + 200 + 23 + 0 + 2 + 434 + 3 = 666.

It is not a de Polignac number, because 420023024343 - 2¹⁰ = 420023023319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420023024303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9948388 + ... + 9990518.

It is an arithmetic number, because the mean of its divisors is an integer number (20942553240).

Almost surely, 2^420023024343 is an apocalyptic number.

420023024343 is a deficient number, since it is larger than the sum of its proper divisors (250138679337).

420023024343 is a wasteful number, since it uses less digits than its factorization.

420023024343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70556 (or 70550 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 420023024343 its reverse (343420320024), we get a palindrome (763443344367).

The spelling of 420023024343 in words is "four hundred twenty billion, twenty-three million, twenty-four thousand, three hundred forty-three".