23443210043434 has 16 divisors (see below), whose sum is σ = 35204003623080. Its totient is φ = 11708543458240.

The previous prime is 23443210043423. The next prime is 23443210043437. The reversal of 23443210043434 is 43434001234432.

It can be written as a sum of positive squares in 4 ways, for example, as 20850958701225 + 2592251342209 = 4566285^2 + 1610047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23443210043393 and 23443210043402.

It is not an unprimeable number, because it can be changed into a prime (23443210043437) 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, 37277352 + ... + 37901020.

Almost surely, 2^{23443210043434} is an apocalyptic number.

23443210043434 is a deficient number, since it is larger than the sum of its proper divisors (11760793579646).

23443210043434 is a wasteful number, since it uses less digits than its factorization.

23443210043434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644585.

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 23443210043434 its reverse (43434001234432), we get a palindrome (66877211277866).

The spelling of 23443210043434 in words is "twenty-three trillion, four hundred forty-three billion, two hundred ten million, forty-three thousand, four hundred thirty-four".