1420320234343 has 12 divisors (see below), whose sum is σ = 1557453518272. Its totient is φ = 1293650300160.

The previous prime is 1420320234329. The next prime is 1420320234373. The reversal of 1420320234343 is 3434320230241.

It is a happy number.

It is not a de Polignac number, because 1420320234343 - 2¹³ = 1420320226151 is a prime.

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 (1420320234373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79258830 + ... + 79276747.

Almost surely, 2^{1420320234343} is an apocalyptic number.

1420320234343 is a deficient number, since it is larger than the sum of its proper divisors (137133283929).

1420320234343 is a wasteful number, since it uses less digits than its factorization.

1420320234343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158535642 (or 158535625 counting only the distinct ones).

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

Adding to 1420320234343 its reverse (3434320230241), we get a palindrome (4854640464584).

The spelling of 1420320234343 in words is "one trillion, four hundred twenty billion, three hundred twenty million, two hundred thirty-four thousand, three hundred forty-three".