1423311404 has 12 divisors (see below), whose sum is σ = 2498806128. Its totient is φ = 709366800.

The previous prime is 1423311397. The next prime is 1423311431. The reversal of 1423311404 is 4041133241.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1423311404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570827 + ... + 573314.

It is an arithmetic number, because the mean of its divisors is an integer number (208233844).

Almost surely, 2^1423311404 is an apocalyptic number.

It is an amenable number.

1423311404 is a deficient number, since it is larger than the sum of its proper divisors (1075494724).

1423311404 is a wasteful number, since it uses less digits than its factorization.

1423311404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144456 (or 1144454 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1423311404 is about 37726.7995462112. The cubic root of 1423311404 is about 1124.8638924062.

Adding to 1423311404 its reverse (4041133241), we get a palindrome (5464444645).

The spelling of 1423311404 in words is "one billion, four hundred twenty-three million, three hundred eleven thousand, four hundred four".