1440423202213 has 4 divisors (see below), whose sum is σ = 1443356854848. Its totient is φ = 1437489549580.

The previous prime is 1440423202201. The next prime is 1440423202223. The reversal of 1440423202213 is 3122023240441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1440423202213 - 2²¹ = 1440421105061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440423202223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1466825581 + ... + 1466826562.

It is an arithmetic number, because the mean of its divisors is an integer number (360839213712).

Almost surely, 2^{1440423202213} is an apocalyptic number.

It is an amenable number.

1440423202213 is a deficient number, since it is larger than the sum of its proper divisors (2933652635).

1440423202213 is an equidigital number, since it uses as much as digits as its factorization.

1440423202213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933652634.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1440423202213 its reverse (3122023240441), we get a palindrome (4562446442654).

The spelling of 1440423202213 in words is "one trillion, four hundred forty billion, four hundred twenty-three million, two hundred two thousand, two hundred thirteen".