404151423213 has 4 divisors (see below), whose sum is σ = 538868564288. Its totient is φ = 269434282140.

The previous prime is 404151423209. The next prime is 404151423223. The reversal of 404151423213 is 312324151404.

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 not a de Polignac number, because 404151423213 - 2² = 404151423209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404151423223) 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, 67358570533 + ... + 67358570538.

It is an arithmetic number, because the mean of its divisors is an integer number (134717141072).

Almost surely, 2^404151423213 is an apocalyptic number.

It is an amenable number.

404151423213 is a deficient number, since it is larger than the sum of its proper divisors (134717141075).

404151423213 is a wasteful number, since it uses less digits than its factorization.

404151423213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134717141074.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 404151423213 its reverse (312324151404), we get a palindrome (716475574617).

The spelling of 404151423213 in words is "four hundred four billion, one hundred fifty-one million, four hundred twenty-three thousand, two hundred thirteen".