400130423 has 48 divisors (see below), whose sum is σ = 531148800. Its totient is φ = 300762000.

The previous prime is 400130417. The next prime is 400130431. The reversal of 400130423 is 324031004.

It is not a de Polignac number, because 400130423 - 2⁴ = 400130407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400130923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1286438 + ... + 1286748.

It is an arithmetic number, because the mean of its divisors is an integer number (11065600).

Almost surely, 2^400130423 is an apocalyptic number.

400130423 is a deficient number, since it is larger than the sum of its proper divisors (131018377).

400130423 is a wasteful number, since it uses less digits than its factorization.

400130423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 360 counting only the distinct ones).

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

The square root of 400130423 is about 20003.2603092596. The cubic root of 400130423 is about 736.8863714327.

Adding to 400130423 its reverse (324031004), we get a palindrome (724161427).

The spelling of 400130423 in words is "four hundred million, one hundred thirty thousand, four hundred twenty-three".