1423420203343 has 8 divisors (see below), whose sum is σ = 1469695577600. Its totient is φ = 1377167241240.

The previous prime is 1423420203277. The next prime is 1423420203353. The reversal of 1423420203343 is 3433020243241.

It is a happy number.

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 1423420203343 - 2²⁵ = 1423386648911 is a prime.

It is a super-2 number, since 2×1423420203343² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423420203353) 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, 5473905 + ... + 5728042.

It is an arithmetic number, because the mean of its divisors is an integer number (183711947200).

Almost surely, 2^{1423420203343} is an apocalyptic number.

1423420203343 is a deficient number, since it is larger than the sum of its proper divisors (46275374257).

1423420203343 is a wasteful number, since it uses less digits than its factorization.

1423420203343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11206077.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 1423420203343 its reverse (3433020243241), we get a palindrome (4856440446584).

The spelling of 1423420203343 in words is "one trillion, four hundred twenty-three billion, four hundred twenty million, two hundred three thousand, three hundred forty-three".