2401543423643 has 32 divisors (see below), whose sum is σ = 3112256179200. Its totient is φ = 1799569166976.

The previous prime is 2401543423637. The next prime is 2401543423651. The reversal of 2401543423643 is 3463243451042.

It is not a de Polignac number, because 2401543423643 - 2¹⁶ = 2401543358107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2401543423643.

It is not an unprimeable number, because it can be changed into a prime (2401543423843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5529305 + ... + 5947797.

It is an arithmetic number, because the mean of its divisors is an integer number (97258005600).

Almost surely, 2^{2401543423643} is an apocalyptic number.

2401543423643 is a deficient number, since it is larger than the sum of its proper divisors (710712755557).

2401543423643 is a wasteful number, since it uses less digits than its factorization.

2401543423643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421851.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 2401543423643 its reverse (3463243451042), we get a palindrome (5864786874685).

The spelling of 2401543423643 in words is "two trillion, four hundred one billion, five hundred forty-three million, four hundred twenty-three thousand, six hundred forty-three".