1440423202223 has 2 divisors, whose sum is σ = 1440423202224. Its totient is φ = 1440423202222.

The previous prime is 1440423202201. The next prime is 1440423202241. The reversal of 1440423202223 is 3222023240441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1440423202223 - 2⁶ = 1440423202159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440423202123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720211601111 + 720211601112.

It is an arithmetic number, because the mean of its divisors is an integer number (720211601112).

Almost surely, 2^{1440423202223} is an apocalyptic number.

1440423202223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440423202223 is an equidigital number, since it uses as much as digits as its factorization.

1440423202223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 1440423202223 its reverse (3222023240441), we get a palindrome (4662446442664).

The spelling of 1440423202223 in words is "one trillion, four hundred forty billion, four hundred twenty-three million, two hundred two thousand, two hundred twenty-three".