400230220020423 has 48 divisors (see below), whose sum is σ = 588879562471200. Its totient is φ = 241595239721472.

The previous prime is 400230220020409. The next prime is 400230220020427. The reversal of 400230220020423 is 324020022032004.

It is a happy number.

It is not a de Polignac number, because 400230220020423 - 2⁶ = 400230220020359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400230220020393 and 400230220020402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400230220020427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120599061 + ... + 123873297.

It is an arithmetic number, because the mean of its divisors is an integer number (12268324218150).

Almost surely, 2^{400230220020423} is an apocalyptic number.

400230220020423 is a deficient number, since it is larger than the sum of its proper divisors (188649342450777).

400230220020423 is a wasteful number, since it uses less digits than its factorization.

400230220020423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278868 (or 3278855 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 400230220020423 its reverse (324020022032004), we get a palindrome (724250242052427).

The spelling of 400230220020423 in words is "four hundred trillion, two hundred thirty billion, two hundred twenty million, twenty thousand, four hundred twenty-three".