404300123 has 4 divisors (see below), whose sum is σ = 405221520. Its totient is φ = 403378728.

The previous prime is 404300119. The next prime is 404300129. The reversal of 404300123 is 321003404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404300123 - 2² = 404300119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404300129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460040 + ... + 460917.

It is an arithmetic number, because the mean of its divisors is an integer number (101305380).

Almost surely, 2^404300123 is an apocalyptic number.

404300123 is a deficient number, since it is larger than the sum of its proper divisors (921397).

404300123 is an equidigital number, since it uses as much as digits as its factorization.

404300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921396.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 404300123 is about 20107.2156948693. The cubic root of 404300123 is about 739.4371925910.

Adding to 404300123 its reverse (321003404), we get a palindrome (725303527).

The spelling of 404300123 in words is "four hundred four million, three hundred thousand, one hundred twenty-three".