423420033343 has 4 divisors (see below), whose sum is σ = 437078744128. Its totient is φ = 409761322560.

The previous prime is 423420033329. The next prime is 423420033353. The reversal of 423420033343 is 343330024324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423420033343 - 2¹⁷ = 423419902271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 13658710753 = 423420033343 / (4 + 2 + 3 + 4 + 2 + 0 + 0 + 3 + 3 + 3 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423420033353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6829355346 + ... + 6829355407.

It is an arithmetic number, because the mean of its divisors is an integer number (109269686032).

Almost surely, 2^423420033343 is an apocalyptic number.

423420033343 is a deficient number, since it is larger than the sum of its proper divisors (13658710785).

423420033343 is a wasteful number, since it uses less digits than its factorization.

423420033343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13658710784.

The product of its (nonzero) digits is 62208, while the sum is 31.

Adding to 423420033343 its reverse (343330024324), we get a palindrome (766750057667).

The spelling of 423420033343 in words is "four hundred twenty-three billion, four hundred twenty million, thirty-three thousand, three hundred forty-three".