1404423953 has 4 divisors (see below), whose sum is σ = 1465485888. Its totient is φ = 1343362020.

The previous prime is 1404423947. The next prime is 1404423959. The reversal of 1404423953 is 3593244041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1404423947) and next prime (1404423959).

It is a cyclic number.

It is not a de Polignac number, because 1404423953 - 2⁸ = 1404423697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404423959) 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, 30530933 + ... + 30530978.

It is an arithmetic number, because the mean of its divisors is an integer number (366371472).

Almost surely, 2^1404423953 is an apocalyptic number.

It is an amenable number.

1404423953 is a deficient number, since it is larger than the sum of its proper divisors (61061935).

1404423953 is an equidigital number, since it uses as much as digits as its factorization.

1404423953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61061934.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1404423953 is about 37475.6447976549. The cubic root of 1404423953 is about 1119.8660429180.

Adding to 1404423953 its reverse (3593244041), we get a palindrome (4997667994).

The spelling of 1404423953 in words is "one billion, four hundred four million, four hundred twenty-three thousand, nine hundred fifty-three".