1423403221311 has 6 divisors (see below), whose sum is σ = 2056026875240. Its totient is φ = 948935480868.

The previous prime is 1423403221307. The next prime is 1423403221337. The reversal of 1423403221311 is 1131223043241.

1423403221311 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 403 + 221 + 31 + 1 = 666.

It is not a de Polignac number, because 1423403221311 - 2² = 1423403221307 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 (1423403221111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79077956731 + ... + 79077956748.

Almost surely, 2^{1423403221311} is an apocalyptic number.

1423403221311 is a deficient number, since it is larger than the sum of its proper divisors (632623653929).

1423403221311 is a wasteful number, since it uses less digits than its factorization.

1423403221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158155913485 (or 158155913482 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1423403221311 its reverse (1131223043241), we get a palindrome (2554626264552).

The spelling of 1423403221311 in words is "one trillion, four hundred twenty-three billion, four hundred three million, two hundred twenty-one thousand, three hundred eleven".