404023053 has 8 divisors (see below), whose sum is σ = 615654208. Its totient is φ = 230870304.

The previous prime is 404023051. The next prime is 404023063. The reversal of 404023053 is 350320404.

It is a happy number.

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

It is not a de Polignac number, because 404023053 - 2¹ = 404023051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 19239193 = 404023053 / (4 + 0 + 4 + 0 + 2 + 3 + 0 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404023051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9619576 + ... + 9619617.

It is an arithmetic number, because the mean of its divisors is an integer number (76956776).

Almost surely, 2^404023053 is an apocalyptic number.

It is an amenable number.

404023053 is a deficient number, since it is larger than the sum of its proper divisors (211631155).

404023053 is a wasteful number, since it uses less digits than its factorization.

404023053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19239203.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 404023053 is about 20100.3246988699. The cubic root of 404023053 is about 739.2682399820.

Adding to 404023053 its reverse (350320404), we get a palindrome (754343457).

The spelling of 404023053 in words is "four hundred four million, twenty-three thousand, fifty-three".