1406611423 has 8 divisors (see below), whose sum is σ = 1607783040. Its totient is φ = 1205496600.

The previous prime is 1406611417. The next prime is 1406611429. The reversal of 1406611423 is 3241166041.

It is an interprime number because it is at equal distance from previous prime (1406611417) and next prime (1406611429).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1406611423 - 2²⁹ = 869740511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1406611391 and 1406611400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406611429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86688 + ... + 101626.

It is an arithmetic number, because the mean of its divisors is an integer number (200972880).

Almost surely, 2^1406611423 is an apocalyptic number.

1406611423 is a deficient number, since it is larger than the sum of its proper divisors (201171617).

1406611423 is a wasteful number, since it uses less digits than its factorization.

1406611423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28397.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1406611423 is about 37504.8186637397. The cubic root of 1406611423 is about 1120.4471596176.

Adding to 1406611423 its reverse (3241166041), we get a palindrome (4647777464).

The spelling of 1406611423 in words is "one billion, four hundred six million, six hundred eleven thousand, four hundred twenty-three".