1423340111 has 4 divisors (see below), whose sum is σ = 1429555800. Its totient is φ = 1417124424.

The previous prime is 1423340101. The next prime is 1423340129. The reversal of 1423340111 is 1110433241.

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 1423340111 - 2³⁰ = 349598287 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 (1423340101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3107501 + ... + 3107958.

It is an arithmetic number, because the mean of its divisors is an integer number (357388950).

Almost surely, 2^1423340111 is an apocalyptic number.

1423340111 is a deficient number, since it is larger than the sum of its proper divisors (6215689).

1423340111 is an equidigital number, since it uses as much as digits as its factorization.

1423340111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6215688.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1423340111 is about 37727.1800032815. The cubic root of 1423340111 is about 1124.8714548765.

Adding to 1423340111 its reverse (1110433241), we get a palindrome (2533773352).

The spelling of 1423340111 in words is "one billion, four hundred twenty-three million, three hundred forty thousand, one hundred eleven".