23200144434 has 12 divisors (see below), whose sum is σ = 50266979646. Its totient is φ = 7733381472.

The previous prime is 23200144411. The next prime is 23200144493. The reversal of 23200144434 is 43444100232.

It is a happy number.

23200144434 is a `hidden beast` number, since 2 + 3 + 200 + 14 + 443 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20396124225 + 2804020209 = 142815^2 + 52953^2 .

It is a super-2 number, since 2×23200144434² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23200144398 and 23200144407.

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 5 ways as a sum of consecutive naturals, for example, 644448439 + ... + 644448474.

Almost surely, 2^23200144434 is an apocalyptic number.

23200144434 is an abundant number, since it is smaller than the sum of its proper divisors (27066835212).

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

23200144434 is a wasteful number, since it uses less digits than its factorization.

23200144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288896921 (or 1288896918 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 23200144434 its reverse (43444100232), we get a palindrome (66644244666).

The spelling of 23200144434 in words is "twenty-three billion, two hundred million, one hundred forty-four thousand, four hundred thirty-four".