1423223143405 has 16 divisors (see below), whose sum is σ = 1951870080384. Its totient is φ = 975913842240.

The previous prime is 1423223143399. The next prime is 1423223143409. The reversal of 1423223143405 is 5043413223241.

It is not a de Polignac number, because 1423223143405 - 2⁹ = 1423223142893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423223143409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4424115 + ... + 4734895.

It is an arithmetic number, because the mean of its divisors is an integer number (121991880024).

Almost surely, 2^{1423223143405} is an apocalyptic number.

It is an amenable number.

1423223143405 is a deficient number, since it is larger than the sum of its proper divisors (528646936979).

1423223143405 is a wasteful number, since it uses less digits than its factorization.

1423223143405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441636.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 1423223143405 its reverse (5043413223241), we get a palindrome (6466636366646).

The spelling of 1423223143405 in words is "one trillion, four hundred twenty-three billion, two hundred twenty-three million, one hundred forty-three thousand, four hundred five".