3423564243520 has 28 divisors (see below), whose sum is σ = 8152362355644. Its totient is φ = 1369425697280.

The previous prime is 3423564243481. The next prime is 3423564243521. The reversal of 3423564243520 is 253424653243.

It can be written as a sum of positive squares in 2 ways, for example, as 2685298361344 + 738265882176 = 1638688^2 + 859224^2 .

It is not an unprimeable number, because it can be changed into a prime (3423564243521) 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, 5349318811 + ... + 5349319450.

Almost surely, 2^{3423564243520} is an apocalyptic number.

It is an amenable number.

3423564243520 is an abundant number, since it is smaller than the sum of its proper divisors (4728798112124).

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

3423564243520 is a wasteful number, since it uses less digits than its factorization.

3423564243520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10698638278 (or 10698638268 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 43.

Adding to 3423564243520 its reverse (253424653243), we get a palindrome (3676988896763).

The spelling of 3423564243520 in words is "three trillion, four hundred twenty-three billion, five hundred sixty-four million, two hundred forty-three thousand, five hundred twenty".