600400423 has 4 divisors (see below), whose sum is σ = 686171920. Its totient is φ = 514628928.

The previous prime is 600400397. The next prime is 600400439. The reversal of 600400423 is 324004006.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324004006 = 2 ⋅162002003.

It is a cyclic number.

It is not a de Polignac number, because 600400423 - 2⁹ = 600399911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 600400423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (600400453) 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, 42885738 + ... + 42885751.

It is an arithmetic number, because the mean of its divisors is an integer number (171542980).

Almost surely, 2^600400423 is an apocalyptic number.

600400423 is a deficient number, since it is larger than the sum of its proper divisors (85771497).

600400423 is an equidigital number, since it uses as much as digits as its factorization.

600400423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85771496.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 600400423 is about 24503.0696648400. The cubic root of 600400423 is about 843.6202512659.

Adding to 600400423 its reverse (324004006), we get a palindrome (924404429).

The spelling of 600400423 in words is "six hundred million, four hundred thousand, four hundred twenty-three".