1400223311443 has 12 divisors (see below), whose sum is σ = 1554326946144. Its totient is φ = 1260327002000.

The previous prime is 1400223311401. The next prime is 1400223311447. The reversal of 1400223311443 is 3441133220041.

It is a happy number.

It is not a de Polignac number, because 1400223311443 - 2²⁵ = 1400189757011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400223311447) 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, 57275371 + ... + 57299812.

It is an arithmetic number, because the mean of its divisors is an integer number (129527245512).

Almost surely, 2^{1400223311443} is an apocalyptic number.

1400223311443 is a deficient number, since it is larger than the sum of its proper divisors (154103634701).

1400223311443 is a wasteful number, since it uses less digits than its factorization.

1400223311443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114575306 (or 114575295 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1400223311443 its reverse (3441133220041), we get a palindrome (4841356531484).

The spelling of 1400223311443 in words is "one trillion, four hundred billion, two hundred twenty-three million, three hundred eleven thousand, four hundred forty-three".