1423611 has 24 divisors (see below), whose sum is σ = 2396160. Its totient is φ = 797616.

The previous prime is 1423607. The next prime is 1423627. The reversal of 1423611 is 1163241.

It is a happy number.

It is not a de Polignac number, because 1423611 - 2² = 1423607 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3526 + ... + 3908.

It is an arithmetic number, because the mean of its divisors is an integer number (99840).

2^1423611 is an apocalyptic number.

1423611 is a deficient number, since it is larger than the sum of its proper divisors (972549).

1423611 is a wasteful number, since it uses less digits than its factorization.

1423611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 452 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1423611 is about 1193.1517087110. The cubic root of 1423611 is about 112.4942811908.

Adding to 1423611 its reverse (1163241), we get a palindrome (2586852).

The spelling of 1423611 in words is "one million, four hundred twenty-three thousand, six hundred eleven".