1340350051223 has 4 divisors (see below), whose sum is σ = 1340388241440. Its totient is φ = 1340311861008.

The previous prime is 1340350051211. The next prime is 1340350051283. The reversal of 1340350051223 is 3221500530431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1340350051223 - 2¹⁶ = 1340349985687 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 (1340350051283) 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, 19042415 + ... + 19112672.

It is an arithmetic number, because the mean of its divisors is an integer number (335097060360).

Almost surely, 2^{1340350051223} is an apocalyptic number.

1340350051223 is a deficient number, since it is larger than the sum of its proper divisors (38190217).

1340350051223 is an equidigital number, since it uses as much as digits as its factorization.

1340350051223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38190216.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 1340350051223 its reverse (3221500530431), we get a palindrome (4561850581654).

The spelling of 1340350051223 in words is "one trillion, three hundred forty billion, three hundred fifty million, fifty-one thousand, two hundred twenty-three".