423430031140 has 12 divisors (see below), whose sum is σ = 889203065436. Its totient is φ = 169372012448.

The previous prime is 423430031083. The next prime is 423430031159. The reversal of 423430031140 is 41130034324.

It can be written as a sum of positive squares in 2 ways, for example, as 140431566564 + 282998464576 = 374742^2 + 531976^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10585750759 + ... + 10585750798.

It is an arithmetic number, because the mean of its divisors is an integer number (74100255453).

Almost surely, 2^423430031140 is an apocalyptic number.

It is an amenable number.

423430031140 is an abundant number, since it is smaller than the sum of its proper divisors (465773034296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423430031140 is a wasteful number, since it uses less digits than its factorization.

423430031140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21171501566 (or 21171501564 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 423430031140 its reverse (41130034324), we get a palindrome (464560065464).

The spelling of 423430031140 in words is "four hundred twenty-three billion, four hundred thirty million, thirty-one thousand, one hundred forty".