423143838034 has 16 divisors (see below), whose sum is σ = 672150358008. Its totient is φ = 199097362432.

The previous prime is 423143838031. The next prime is 423143838067. The reversal of 423143838034 is 430838341324.

It can be written as a sum of positive squares in 4 ways, for example, as 134670650625 + 288473187409 = 366975^2 + 537097^2 .

It is a super-2 number, since 2×423143838034² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423143838031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674359 + ... + 1140634.

Almost surely, 2^423143838034 is an apocalyptic number.

423143838034 is a deficient number, since it is larger than the sum of its proper divisors (249006519974).

423143838034 is a wasteful number, since it uses less digits than its factorization.

423143838034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821869.

The product of its (nonzero) digits is 663552, while the sum is 43.

The spelling of 423143838034 in words is "four hundred twenty-three billion, one hundred forty-three million, eight hundred thirty-eight thousand, thirty-four".