1423021031343 has 12 divisors (see below), whose sum is σ = 2055589944408. Its totient is φ = 948627554640.

The previous prime is 1423021031321. The next prime is 1423021031359. The reversal of 1423021031343 is 3431301203241.

It is a happy number.

1423021031343 is a `hidden beast` number, since 1 + 4 + 2 + 302 + 1 + 0 + 313 + 43 = 666.

It is not a de Polignac number, because 1423021031343 - 2²¹ = 1423018934191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423021031543) 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, 4257780 + ... + 4579817.

It is an arithmetic number, because the mean of its divisors is an integer number (171299162034).

Almost surely, 2^{1423021031343} is an apocalyptic number.

1423021031343 is a deficient number, since it is larger than the sum of its proper divisors (632568913065).

1423021031343 is a wasteful number, since it uses less digits than its factorization.

1423021031343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8855494 (or 8855491 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1423021031343 its reverse (3431301203241), we get a palindrome (4854322234584).

The spelling of 1423021031343 in words is "one trillion, four hundred twenty-three billion, twenty-one million, thirty-one thousand, three hundred forty-three".