1423343211242 has 16 divisors (see below), whose sum is σ = 2188334994912. Its totient is φ = 694108549200.

The previous prime is 1423343211193. The next prime is 1423343211299. The reversal of 1423343211242 is 2421123433241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1423343211199 and 1423343211208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52570448 + ... + 52597515.

It is an arithmetic number, because the mean of its divisors is an integer number (136770937182).

Almost surely, 2^{1423343211242} is an apocalyptic number.

1423343211242 is a deficient number, since it is larger than the sum of its proper divisors (764991783670).

1423343211242 is a wasteful number, since it uses less digits than its factorization.

1423343211242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105168133.

The product of its digits is 27648, while the sum is 32.

Adding to 1423343211242 its reverse (2421123433241), we get a palindrome (3844466644483).

The spelling of 1423343211242 in words is "one trillion, four hundred twenty-three billion, three hundred forty-three million, two hundred eleven thousand, two hundred forty-two".