400430320424223 has 4 divisors (see below), whose sum is σ = 533907093898968. Its totient is φ = 266953546949480.

The previous prime is 400430320424207. The next prime is 400430320424227. The reversal of 400430320424223 is 322424023034004.

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 400430320424223 - 2⁴ = 400430320424207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400430320424227) 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, 66738386737368 + ... + 66738386737373.

It is an arithmetic number, because the mean of its divisors is an integer number (133476773474742).

Almost surely, 2^{400430320424223} is an apocalyptic number.

400430320424223 is a deficient number, since it is larger than the sum of its proper divisors (133476773474745).

400430320424223 is a wasteful number, since it uses less digits than its factorization.

400430320424223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133476773474744.

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 400430320424223 its reverse (322424023034004), we get a palindrome (722854343458227).

The spelling of 400430320424223 in words is "four hundred trillion, four hundred thirty billion, three hundred twenty million, four hundred twenty-four thousand, two hundred twenty-three".