1406441323 has 4 divisors (see below), whose sum is σ = 1607361520. Its totient is φ = 1205521128.

The previous prime is 1406441317. The next prime is 1406441341. The reversal of 1406441323 is 3231446041.

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

It is not a de Polignac number, because 1406441323 - 2²¹ = 1404344171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1406441291 and 1406441300.

It is not an unprimeable number, because it can be changed into a prime (1406441303) 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, 100460088 + ... + 100460101.

It is an arithmetic number, because the mean of its divisors is an integer number (401840380).

Almost surely, 2^1406441323 is an apocalyptic number.

1406441323 is a deficient number, since it is larger than the sum of its proper divisors (200920197).

1406441323 is an equidigital number, since it uses as much as digits as its factorization.

1406441323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200920196.

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

The square root of 1406441323 is about 37502.5508865730. The cubic root of 1406441323 is about 1120.4019929753.

Adding to 1406441323 its reverse (3231446041), we get a palindrome (4637887364).

The spelling of 1406441323 in words is "one billion, four hundred six million, four hundred forty-one thousand, three hundred twenty-three".