404323124423 has 32 divisors (see below), whose sum is σ = 425556246528. Its totient is φ = 383691168000.

The previous prime is 404323124389. The next prime is 404323124473. The reversal of 404323124423 is 324421323404.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404323124423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404323124423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404323124473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253175861 + ... + 253177457.

It is an arithmetic number, because the mean of its divisors is an integer number (13298632704).

Almost surely, 2^404323124423 is an apocalyptic number.

404323124423 is a deficient number, since it is larger than the sum of its proper divisors (21233122105).

404323124423 is a wasteful number, since it uses less digits than its factorization.

404323124423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 404323124423 its reverse (324421323404), we get a palindrome (728744447827).

The spelling of 404323124423 in words is "four hundred four billion, three hundred twenty-three million, one hundred twenty-four thousand, four hundred twenty-three".