3243857154723 has 24 divisors (see below), whose sum is σ = 4771187457296. Its totient is φ = 2123187422400.

The previous prime is 3243857154697. The next prime is 3243857154737. The reversal of 3243857154723 is 3274517583423.

It is a happy number.

3243857154723 is a `hidden beast` number, since 3 + 2 + 4 + 3 + 8 + 5 + 71 + 547 + 23 = 666.

3243857154723 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3243857154723 - 2¹² = 3243857150627 is a prime.

It is a super-2 number, since 2×3243857154723² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3243857154723.

It is not an unprimeable number, because it can be changed into a prime (3243857154023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5163865 + ... + 5757882.

Almost surely, 2^{3243857154723} is an apocalyptic number.

3243857154723 is a deficient number, since it is larger than the sum of its proper divisors (1527330302573).

3243857154723 is a wasteful number, since it uses less digits than its factorization.

3243857154723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10922355 (or 10922352 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 54.

The spelling of 3243857154723 in words is "three trillion, two hundred forty-three billion, eight hundred fifty-seven million, one hundred fifty-four thousand, seven hundred twenty-three".