404010323111321 has 4 divisors (see below), whose sum is σ = 404240791066932. Its totient is φ = 403779855155712.

The previous prime is 404010323111309. The next prime is 404010323111327. The reversal of 404010323111321 is 123111323010404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 223168074093721 + 180842249017600 = 14938811^2 + 13447760^2 .

It is a cyclic number.

It is not a de Polignac number, because 404010323111321 - 2⁶ = 404010323111257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404010323111327) 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, 115233975176 + ... + 115233978681.

It is an arithmetic number, because the mean of its divisors is an integer number (101060197766733).

Almost surely, 2^{404010323111321} is an apocalyptic number.

It is an amenable number.

404010323111321 is a deficient number, since it is larger than the sum of its proper divisors (230467955611).

404010323111321 is a wasteful number, since it uses less digits than its factorization.

404010323111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230467955610.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 404010323111321 its reverse (123111323010404), we get a palindrome (527121646121725).

The spelling of 404010323111321 in words is "four hundred four trillion, ten billion, three hundred twenty-three million, one hundred eleven thousand, three hundred twenty-one".